Home / 3,788,013.60-5,226,162.12-2,156,012.64

Finding the Fourth Proportional to 3,788,013.60, 5,226,162.12 and 2,156,012.64

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Solution

The fourth proportional to 3,788,013.60, 5,226,162.12 and 2,156,012.64 is: 2,974,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,013.60 : 5,226,162.12 = 2,156,012.64 : x
  2. Step 2: Convert to fraction form
    3,788,013.60/5,226,162.12 = 2,156,012.64/x
  3. Step 3: Cross multiply
    3,788,013.60x = 5,226,162.12 × 2,156,012.64
  4. Step 4: Simplify right side
    3,788,013.60x = 11,267,671,589,409.20
  5. Step 5: Solve for x
    x = 11,267,671,589,409.20/3,788,013.60
  6. Step 6: Final answer
    x = 2,974,559.43

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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.