Home / 2,985,150.80-4,475,101.80-1,787,549.60

Finding the Fourth Proportional to 2,985,150.80, 4,475,101.80 and 1,787,549.60

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Solution

The fourth proportional to 2,985,150.80, 4,475,101.80 and 1,787,549.60 is: 2,679,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,150.80 : 4,475,101.80 = 1,787,549.60 : x
  2. Step 2: Convert to fraction form
    2,985,150.80/4,475,101.80 = 1,787,549.60/x
  3. Step 3: Cross multiply
    2,985,150.80x = 4,475,101.80 × 1,787,549.60
  4. Step 4: Simplify right side
    2,985,150.80x = 7,999,466,432,549.28
  5. Step 5: Solve for x
    x = 7,999,466,432,549.28/2,985,150.80
  6. Step 6: Final answer
    x = 2,679,752.87

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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.