Home / 6,418,890.04-8,858,975.52-3,972,289.10

Finding the Fourth Proportional to 6,418,890.04, 8,858,975.52 and 3,972,289.10

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Solution

The fourth proportional to 6,418,890.04, 8,858,975.52 and 3,972,289.10 is: 5,482,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,890.04 : 8,858,975.52 = 3,972,289.10 : x
  2. Step 2: Convert to fraction form
    6,418,890.04/8,858,975.52 = 3,972,289.10/x
  3. Step 3: Cross multiply
    6,418,890.04x = 8,858,975.52 × 3,972,289.10
  4. Step 4: Simplify right side
    6,418,890.04x = 35,190,411,895,262.83
  5. Step 5: Solve for x
    x = 35,190,411,895,262.83/6,418,890.04
  6. Step 6: Final answer
    x = 5,482,320.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.