Home / 2,115,493.61-2,919,381.35-1,148,624.55

Finding the Fourth Proportional to 2,115,493.61, 2,919,381.35 and 1,148,624.55

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Solution

The fourth proportional to 2,115,493.61, 2,919,381.35 and 1,148,624.55 is: 1,585,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,493.61 : 2,919,381.35 = 1,148,624.55 : x
  2. Step 2: Convert to fraction form
    2,115,493.61/2,919,381.35 = 1,148,624.55/x
  3. Step 3: Cross multiply
    2,115,493.61x = 2,919,381.35 × 1,148,624.55
  4. Step 4: Simplify right side
    2,115,493.61x = 3,353,273,083,679.02
  5. Step 5: Solve for x
    x = 3,353,273,083,679.02/2,115,493.61
  6. Step 6: Final answer
    x = 1,585,101.97

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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.