Home / 2,075,451.10-3,113,176.65-812,859.10

Finding the Fourth Proportional to 2,075,451.10, 3,113,176.65 and 812,859.10

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Solution

The fourth proportional to 2,075,451.10, 3,113,176.65 and 812,859.10 is: 1,219,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,451.10 : 3,113,176.65 = 812,859.10 : x
  2. Step 2: Convert to fraction form
    2,075,451.10/3,113,176.65 = 812,859.10/x
  3. Step 3: Cross multiply
    2,075,451.10x = 3,113,176.65 × 812,859.10
  4. Step 4: Simplify right side
    2,075,451.10x = 2,530,573,969,860.01
  5. Step 5: Solve for x
    x = 2,530,573,969,860.01/2,075,451.10
  6. Step 6: Final answer
    x = 1,219,288.65

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Double scale
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Similar ratio
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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.