Home / 5,355,652.92-7,388,068.16-3,419,878.20

Finding the Fourth Proportional to 5,355,652.92, 7,388,068.16 and 3,419,878.20

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Solution

The fourth proportional to 5,355,652.92, 7,388,068.16 and 3,419,878.20 is: 4,717,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,652.92 : 7,388,068.16 = 3,419,878.20 : x
  2. Step 2: Convert to fraction form
    5,355,652.92/7,388,068.16 = 3,419,878.20/x
  3. Step 3: Cross multiply
    5,355,652.92x = 7,388,068.16 × 3,419,878.20
  4. Step 4: Simplify right side
    5,355,652.92x = 25,266,293,240,498.11
  5. Step 5: Solve for x
    x = 25,266,293,240,498.11/5,355,652.92
  6. Step 6: Final answer
    x = 4,717,686.83

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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.