Home / 1,992,078.30-2,989,672.65-927,252.30

Finding the Fourth Proportional to 1,992,078.30, 2,989,672.65 and 927,252.30

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Solution

The fourth proportional to 1,992,078.30, 2,989,672.65 and 927,252.30 is: 1,391,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,078.30 : 2,989,672.65 = 927,252.30 : x
  2. Step 2: Convert to fraction form
    1,992,078.30/2,989,672.65 = 927,252.30/x
  3. Step 3: Cross multiply
    1,992,078.30x = 2,989,672.65 × 927,252.30
  4. Step 4: Simplify right side
    1,992,078.30x = 2,772,180,840,959.60
  5. Step 5: Solve for x
    x = 2,772,180,840,959.60/1,992,078.30
  6. Step 6: Final answer
    x = 1,391,602.35

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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.