Home / 4,991,337.20-7,487,005.80-1,625,884.40

Finding the Fourth Proportional to 4,991,337.20, 7,487,005.80 and 1,625,884.40

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Solution

The fourth proportional to 4,991,337.20, 7,487,005.80 and 1,625,884.40 is: 2,438,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,337.20 : 7,487,005.80 = 1,625,884.40 : x
  2. Step 2: Convert to fraction form
    4,991,337.20/7,487,005.80 = 1,625,884.40/x
  3. Step 3: Cross multiply
    4,991,337.20x = 7,487,005.80 × 1,625,884.40
  4. Step 4: Simplify right side
    4,991,337.20x = 12,173,005,932,929.52
  5. Step 5: Solve for x
    x = 12,173,005,932,929.52/4,991,337.20
  6. Step 6: Final answer
    x = 2,438,826.60

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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.