Home / 5,152,712.68-7,099,045.50-3,987,150.76

Finding the Fourth Proportional to 5,152,712.68, 7,099,045.50 and 3,987,150.76

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Solution

The fourth proportional to 5,152,712.68, 7,099,045.50 and 3,987,150.76 is: 5,493,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,712.68 : 7,099,045.50 = 3,987,150.76 : x
  2. Step 2: Convert to fraction form
    5,152,712.68/7,099,045.50 = 3,987,150.76/x
  3. Step 3: Cross multiply
    5,152,712.68x = 7,099,045.50 × 3,987,150.76
  4. Step 4: Simplify right side
    5,152,712.68x = 28,304,964,660,599.58
  5. Step 5: Solve for x
    x = 28,304,964,660,599.58/5,152,712.68
  6. Step 6: Final answer
    x = 5,493,216.18

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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.