Home / 3,117,225.30-4,673,245.95-1,321,487.70

Finding the Fourth Proportional to 3,117,225.30, 4,673,245.95 and 1,321,487.70

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Solution

The fourth proportional to 3,117,225.30, 4,673,245.95 and 1,321,487.70 is: 1,981,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,225.30 : 4,673,245.95 = 1,321,487.70 : x
  2. Step 2: Convert to fraction form
    3,117,225.30/4,673,245.95 = 1,321,487.70/x
  3. Step 3: Cross multiply
    3,117,225.30x = 4,673,245.95 × 1,321,487.70
  4. Step 4: Simplify right side
    3,117,225.30x = 6,175,637,041,999.82
  5. Step 5: Solve for x
    x = 6,175,637,041,999.82/3,117,225.30
  6. Step 6: Final answer
    x = 1,981,132.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.