Home / 1,660,156.60-2,490,234.90-1,628,663.80

Finding the Fourth Proportional to 1,660,156.60, 2,490,234.90 and 1,628,663.80

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Solution

The fourth proportional to 1,660,156.60, 2,490,234.90 and 1,628,663.80 is: 2,442,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,156.60 : 2,490,234.90 = 1,628,663.80 : x
  2. Step 2: Convert to fraction form
    1,660,156.60/2,490,234.90 = 1,628,663.80/x
  3. Step 3: Cross multiply
    1,660,156.60x = 2,490,234.90 × 1,628,663.80
  4. Step 4: Simplify right side
    1,660,156.60x = 4,055,755,435,126.62
  5. Step 5: Solve for x
    x = 4,055,755,435,126.62/1,660,156.60
  6. Step 6: Final answer
    x = 2,442,995.70

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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.