Home / 5,722,705.68-7,897,815-3,144,901.20

Finding the Fourth Proportional to 5,722,705.68, 7,897,815 and 3,144,901.20

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Solution

The fourth proportional to 5,722,705.68, 7,897,815 and 3,144,901.20 is: 4,340,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722,705.68 : 7,897,815 = 3,144,901.20 : x
  2. Step 2: Convert to fraction form
    5,722,705.68/7,897,815 = 3,144,901.20/x
  3. Step 3: Cross multiply
    5,722,705.68x = 7,897,815 × 3,144,901.20
  4. Step 4: Simplify right side
    5,722,705.68x = 24,837,847,870,878
  5. Step 5: Solve for x
    x = 24,837,847,870,878/5,722,705.68
  6. Step 6: Final answer
    x = 4,340,228.08

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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.