Home / 5,143,677.40-7,712,600.10-1,948,907.80

Finding the Fourth Proportional to 5,143,677.40, 7,712,600.10 and 1,948,907.80

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Solution

The fourth proportional to 5,143,677.40, 7,712,600.10 and 1,948,907.80 is: 2,922,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,677.40 : 7,712,600.10 = 1,948,907.80 : x
  2. Step 2: Convert to fraction form
    5,143,677.40/7,712,600.10 = 1,948,907.80/x
  3. Step 3: Cross multiply
    5,143,677.40x = 7,712,600.10 × 1,948,907.80
  4. Step 4: Simplify right side
    5,143,677.40x = 15,031,146,493,170.78
  5. Step 5: Solve for x
    x = 15,031,146,493,170.78/5,143,677.40
  6. Step 6: Final answer
    x = 2,922,256.85

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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.