Home / 3,620,002.02-4,995,689.05-1,988,443.57

Finding the Fourth Proportional to 3,620,002.02, 4,995,689.05 and 1,988,443.57

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Solution

The fourth proportional to 3,620,002.02, 4,995,689.05 and 1,988,443.57 is: 2,744,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,002.02 : 4,995,689.05 = 1,988,443.57 : x
  2. Step 2: Convert to fraction form
    3,620,002.02/4,995,689.05 = 1,988,443.57/x
  3. Step 3: Cross multiply
    3,620,002.02x = 4,995,689.05 × 1,988,443.57
  4. Step 4: Simplify right side
    3,620,002.02x = 9,933,645,739,242.36
  5. Step 5: Solve for x
    x = 9,933,645,739,242.36/3,620,002.02
  6. Step 6: Final answer
    x = 2,744,099.50

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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.