Home / 1,646,176.92-2,271,812.28-920,981.52

Finding the Fourth Proportional to 1,646,176.92, 2,271,812.28 and 920,981.52

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Solution

The fourth proportional to 1,646,176.92, 2,271,812.28 and 920,981.52 is: 1,271,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,176.92 : 2,271,812.28 = 920,981.52 : x
  2. Step 2: Convert to fraction form
    1,646,176.92/2,271,812.28 = 920,981.52/x
  3. Step 3: Cross multiply
    1,646,176.92x = 2,271,812.28 × 920,981.52
  4. Step 4: Simplify right side
    1,646,176.92x = 2,092,297,126,789.07
  5. Step 5: Solve for x
    x = 2,092,297,126,789.07/1,646,176.92
  6. Step 6: Final answer
    x = 1,271,003.80

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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.