Home / 2,475,749.40-3,713,593.32-678,631.20

Finding the Fourth Proportional to 2,475,749.40, 3,713,593.32 and 678,631.20

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Solution

The fourth proportional to 2,475,749.40, 3,713,593.32 and 678,631.20 is: 1,017,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,749.40 : 3,713,593.32 = 678,631.20 : x
  2. Step 2: Convert to fraction form
    2,475,749.40/3,713,593.32 = 678,631.20/x
  3. Step 3: Cross multiply
    2,475,749.40x = 3,713,593.32 × 678,631.20
  4. Step 4: Simplify right side
    2,475,749.40x = 2,520,160,291,063.58
  5. Step 5: Solve for x
    x = 2,520,160,291,063.58/2,475,749.40
  6. Step 6: Final answer
    x = 1,017,938.36

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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.