Home / 3,913,538.40-5,870,890.88-1,388,982.24

Finding the Fourth Proportional to 3,913,538.40, 5,870,890.88 and 1,388,982.24

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Solution

The fourth proportional to 3,913,538.40, 5,870,890.88 and 1,388,982.24 is: 2,083,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,538.40 : 5,870,890.88 = 1,388,982.24 : x
  2. Step 2: Convert to fraction form
    3,913,538.40/5,870,890.88 = 1,388,982.24/x
  3. Step 3: Cross multiply
    3,913,538.40x = 5,870,890.88 × 1,388,982.24
  4. Step 4: Simplify right side
    3,913,538.40x = 8,154,563,165,297.97
  5. Step 5: Solve for x
    x = 8,154,563,165,297.97/3,913,538.40
  6. Step 6: Final answer
    x = 2,083,680.38

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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.