Home / 4,990,691.88-7,485,256.98-1,624,876.20

Finding the Fourth Proportional to 4,990,691.88, 7,485,256.98 and 1,624,876.20

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Solution

The fourth proportional to 4,990,691.88, 7,485,256.98 and 1,624,876.20 is: 2,437,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,691.88 : 7,485,256.98 = 1,624,876.20 : x
  2. Step 2: Convert to fraction form
    4,990,691.88/7,485,256.98 = 1,624,876.20/x
  3. Step 3: Cross multiply
    4,990,691.88x = 7,485,256.98 × 1,624,876.20
  4. Step 4: Simplify right side
    4,990,691.88x = 12,162,615,917,685.88
  5. Step 5: Solve for x
    x = 12,162,615,917,685.88/4,990,691.88
  6. Step 6: Final answer
    x = 2,437,060.07

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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.