Home / 3,537,543.20-5,306,314.80-978,753.20

Finding the Fourth Proportional to 3,537,543.20, 5,306,314.80 and 978,753.20

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Solution

The fourth proportional to 3,537,543.20, 5,306,314.80 and 978,753.20 is: 1,468,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537,543.20 : 5,306,314.80 = 978,753.20 : x
  2. Step 2: Convert to fraction form
    3,537,543.20/5,306,314.80 = 978,753.20/x
  3. Step 3: Cross multiply
    3,537,543.20x = 5,306,314.80 × 978,753.20
  4. Step 4: Simplify right side
    3,537,543.20x = 5,193,572,590,707.36
  5. Step 5: Solve for x
    x = 5,193,572,590,707.36/3,537,543.20
  6. Step 6: Final answer
    x = 1,468,129.80

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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.