Home / 1,986,098.40-2,976,814.80-918,886.32

Finding the Fourth Proportional to 1,986,098.40, 2,976,814.80 and 918,886.32

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Solution

The fourth proportional to 1,986,098.40, 2,976,814.80 and 918,886.32 is: 1,377,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,098.40 : 2,976,814.80 = 918,886.32 : x
  2. Step 2: Convert to fraction form
    1,986,098.40/2,976,814.80 = 918,886.32/x
  3. Step 3: Cross multiply
    1,986,098.40x = 2,976,814.80 × 918,886.32
  4. Step 4: Simplify right side
    1,986,098.40x = 2,735,354,396,893.54
  5. Step 5: Solve for x
    x = 2,735,354,396,893.54/1,986,098.40
  6. Step 6: Final answer
    x = 1,377,250.19

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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.