Home / 7,272,690-10,910,609.72-2,784,966.16

Finding the Fourth Proportional to 7,272,690, 10,910,609.72 and 2,784,966.16

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Solution

The fourth proportional to 7,272,690, 10,910,609.72 and 2,784,966.16 is: 4,178,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,690 : 10,910,609.72 = 2,784,966.16 : x
  2. Step 2: Convert to fraction form
    7,272,690/10,910,609.72 = 2,784,966.16/x
  3. Step 3: Cross multiply
    7,272,690x = 10,910,609.72 × 2,784,966.16
  4. Step 4: Simplify right side
    7,272,690x = 30,385,678,855,167.08
  5. Step 5: Solve for x
    x = 30,385,678,855,167.08/7,272,690
  6. Step 6: Final answer
    x = 4,178,052.26

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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.