Home / 3,119,027.10-4,678,540.65-1,775,334.30

Finding the Fourth Proportional to 3,119,027.10, 4,678,540.65 and 1,775,334.30

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Solution

The fourth proportional to 3,119,027.10, 4,678,540.65 and 1,775,334.30 is: 2,663,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,027.10 : 4,678,540.65 = 1,775,334.30 : x
  2. Step 2: Convert to fraction form
    3,119,027.10/4,678,540.65 = 1,775,334.30/x
  3. Step 3: Cross multiply
    3,119,027.10x = 4,678,540.65 × 1,775,334.30
  4. Step 4: Simplify right side
    3,119,027.10x = 8,305,973,689,889.30
  5. Step 5: Solve for x
    x = 8,305,973,689,889.30/3,119,027.10
  6. Step 6: Final answer
    x = 2,663,001.45

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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.