Home / 1,781,121.04-2,670,062.28-927,189.46

Finding the Fourth Proportional to 1,781,121.04, 2,670,062.28 and 927,189.46

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Solution

The fourth proportional to 1,781,121.04, 2,670,062.28 and 927,189.46 is: 1,389,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,121.04 : 2,670,062.28 = 927,189.46 : x
  2. Step 2: Convert to fraction form
    1,781,121.04/2,670,062.28 = 927,189.46/x
  3. Step 3: Cross multiply
    1,781,121.04x = 2,670,062.28 × 927,189.46
  4. Step 4: Simplify right side
    1,781,121.04x = 2,475,653,603,559.57
  5. Step 5: Solve for x
    x = 2,475,653,603,559.57/1,781,121.04
  6. Step 6: Final answer
    x = 1,389,941.25

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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.