Home / 6,472,849.16-9,709,448.70-1,680,432.32

Finding the Fourth Proportional to 6,472,849.16, 9,709,448.70 and 1,680,432.32

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Solution

The fourth proportional to 6,472,849.16, 9,709,448.70 and 1,680,432.32 is: 2,520,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,849.16 : 9,709,448.70 = 1,680,432.32 : x
  2. Step 2: Convert to fraction form
    6,472,849.16/9,709,448.70 = 1,680,432.32/x
  3. Step 3: Cross multiply
    6,472,849.16x = 9,709,448.70 × 1,680,432.32
  4. Step 4: Simplify right side
    6,472,849.16x = 16,316,071,404,861.98
  5. Step 5: Solve for x
    x = 16,316,071,404,861.98/6,472,849.16
  6. Step 6: Final answer
    x = 2,520,693.90

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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.