Home / 2,752,665.40-4,128,998.10-2,122,809.40

Finding the Fourth Proportional to 2,752,665.40, 4,128,998.10 and 2,122,809.40

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Solution

The fourth proportional to 2,752,665.40, 4,128,998.10 and 2,122,809.40 is: 3,184,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,665.40 : 4,128,998.10 = 2,122,809.40 : x
  2. Step 2: Convert to fraction form
    2,752,665.40/4,128,998.10 = 2,122,809.40/x
  3. Step 3: Cross multiply
    2,752,665.40x = 4,128,998.10 × 2,122,809.40
  4. Step 4: Simplify right side
    2,752,665.40x = 8,765,075,979,262.14
  5. Step 5: Solve for x
    x = 8,765,075,979,262.14/2,752,665.40
  6. Step 6: Final answer
    x = 3,184,214.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.