Home / 2,791,398.80-4,187,405.40-1,018,854.80

Finding the Fourth Proportional to 2,791,398.80, 4,187,405.40 and 1,018,854.80

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Solution

The fourth proportional to 2,791,398.80, 4,187,405.40 and 1,018,854.80 is: 1,528,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,398.80 : 4,187,405.40 = 1,018,854.80 : x
  2. Step 2: Convert to fraction form
    2,791,398.80/4,187,405.40 = 1,018,854.80/x
  3. Step 3: Cross multiply
    2,791,398.80x = 4,187,405.40 × 1,018,854.80
  4. Step 4: Simplify right side
    2,791,398.80x = 4,266,358,091,335.92
  5. Step 5: Solve for x
    x = 4,266,358,091,335.92/2,791,398.80
  6. Step 6: Final answer
    x = 1,528,394.33

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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.