Home / 2,122,876.38-2,929,492.06-1,155,985.46

Finding the Fourth Proportional to 2,122,876.38, 2,929,492.06 and 1,155,985.46

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Solution

The fourth proportional to 2,122,876.38, 2,929,492.06 and 1,155,985.46 is: 1,595,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,876.38 : 2,929,492.06 = 1,155,985.46 : x
  2. Step 2: Convert to fraction form
    2,122,876.38/2,929,492.06 = 1,155,985.46/x
  3. Step 3: Cross multiply
    2,122,876.38x = 2,929,492.06 × 1,155,985.46
  4. Step 4: Simplify right side
    2,122,876.38x = 3,386,450,226,545.45
  5. Step 5: Solve for x
    x = 3,386,450,226,545.45/2,122,876.38
  6. Step 6: Final answer
    x = 1,595,217.82

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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.