Home / 1,814,641.61-2,504,109.98-998,689.32

Finding the Fourth Proportional to 1,814,641.61, 2,504,109.98 and 998,689.32

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Solution

The fourth proportional to 1,814,641.61, 2,504,109.98 and 998,689.32 is: 1,378,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,641.61 : 2,504,109.98 = 998,689.32 : x
  2. Step 2: Convert to fraction form
    1,814,641.61/2,504,109.98 = 998,689.32/x
  3. Step 3: Cross multiply
    1,814,641.61x = 2,504,109.98 × 998,689.32
  4. Step 4: Simplify right side
    1,814,641.61x = 2,500,827,888,137.97
  5. Step 5: Solve for x
    x = 2,500,827,888,137.97/1,814,641.61
  6. Step 6: Final answer
    x = 1,378,138.74

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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.