Home / 1,817,612.40-2,726,418.60-921,817.20

Finding the Fourth Proportional to 1,817,612.40, 2,726,418.60 and 921,817.20

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Solution

The fourth proportional to 1,817,612.40, 2,726,418.60 and 921,817.20 is: 1,382,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,612.40 : 2,726,418.60 = 921,817.20 : x
  2. Step 2: Convert to fraction form
    1,817,612.40/2,726,418.60 = 921,817.20/x
  3. Step 3: Cross multiply
    1,817,612.40x = 2,726,418.60 × 921,817.20
  4. Step 4: Simplify right side
    1,817,612.40x = 2,513,259,559,879.92
  5. Step 5: Solve for x
    x = 2,513,259,559,879.92/1,817,612.40
  6. Step 6: Final answer
    x = 1,382,725.80

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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.