Home / 3,219,787.60-4,830,264.60-1,618,320.40

Finding the Fourth Proportional to 3,219,787.60, 4,830,264.60 and 1,618,320.40

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Solution

The fourth proportional to 3,219,787.60, 4,830,264.60 and 1,618,320.40 is: 2,427,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,787.60 : 4,830,264.60 = 1,618,320.40 : x
  2. Step 2: Convert to fraction form
    3,219,787.60/4,830,264.60 = 1,618,320.40/x
  3. Step 3: Cross multiply
    3,219,787.60x = 4,830,264.60 × 1,618,320.40
  4. Step 4: Simplify right side
    3,219,787.60x = 7,816,915,739,577.84
  5. Step 5: Solve for x
    x = 7,816,915,739,577.84/3,219,787.60
  6. Step 6: Final answer
    x = 2,427,773.73

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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.