Home / 3,174,468.47-4,380,779.04-1,724,188.13

Finding the Fourth Proportional to 3,174,468.47, 4,380,779.04 and 1,724,188.13

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Solution

The fourth proportional to 3,174,468.47, 4,380,779.04 and 1,724,188.13 is: 2,379,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,468.47 : 4,380,779.04 = 1,724,188.13 : x
  2. Step 2: Convert to fraction form
    3,174,468.47/4,380,779.04 = 1,724,188.13/x
  3. Step 3: Cross multiply
    3,174,468.47x = 4,380,779.04 × 1,724,188.13
  4. Step 4: Simplify right side
    3,174,468.47x = 7,553,287,220,920.80
  5. Step 5: Solve for x
    x = 7,553,287,220,920.80/3,174,468.47
  6. Step 6: Final answer
    x = 2,379,386.44

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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.