Home / 3,817,013.80-5,725,517.10-977,121.40

Finding the Fourth Proportional to 3,817,013.80, 5,725,517.10 and 977,121.40

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Solution

The fourth proportional to 3,817,013.80, 5,725,517.10 and 977,121.40 is: 1,465,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,013.80 : 5,725,517.10 = 977,121.40 : x
  2. Step 2: Convert to fraction form
    3,817,013.80/5,725,517.10 = 977,121.40/x
  3. Step 3: Cross multiply
    3,817,013.80x = 5,725,517.10 × 977,121.40
  4. Step 4: Simplify right side
    3,817,013.80x = 5,594,525,284,475.94
  5. Step 5: Solve for x
    x = 5,594,525,284,475.94/3,817,013.80
  6. Step 6: Final answer
    x = 1,465,681.18

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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.