Home / 2,121,636.72-2,927,870.85-1,154,764.70

Finding the Fourth Proportional to 2,121,636.72, 2,927,870.85 and 1,154,764.70

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Solution

The fourth proportional to 2,121,636.72, 2,927,870.85 and 1,154,764.70 is: 1,593,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,636.72 : 2,927,870.85 = 1,154,764.70 : x
  2. Step 2: Convert to fraction form
    2,121,636.72/2,927,870.85 = 1,154,764.70/x
  3. Step 3: Cross multiply
    2,121,636.72x = 2,927,870.85 × 1,154,764.70
  4. Step 4: Simplify right side
    2,121,636.72x = 3,381,001,920,878.80
  5. Step 5: Solve for x
    x = 3,381,001,920,878.80/2,121,636.72
  6. Step 6: Final answer
    x = 1,593,581.92

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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.