Home / 4,780,651.47-7,172,378.61-1,542,124.46

Finding the Fourth Proportional to 4,780,651.47, 7,172,378.61 and 1,542,124.46

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Solution

The fourth proportional to 4,780,651.47, 7,172,378.61 and 1,542,124.46 is: 2,313,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,651.47 : 7,172,378.61 = 1,542,124.46 : x
  2. Step 2: Convert to fraction form
    4,780,651.47/7,172,378.61 = 1,542,124.46/x
  3. Step 3: Cross multiply
    4,780,651.47x = 7,172,378.61 × 1,542,124.46
  4. Step 4: Simplify right side
    4,780,651.47x = 11,060,700,447,289.29
  5. Step 5: Solve for x
    x = 11,060,700,447,289.29/4,780,651.47
  6. Step 6: Final answer
    x = 2,313,638.74

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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.