Home / 2,688,261.60-4,032,392.40-2,439,429.60

Finding the Fourth Proportional to 2,688,261.60, 4,032,392.40 and 2,439,429.60

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Solution

The fourth proportional to 2,688,261.60, 4,032,392.40 and 2,439,429.60 is: 3,659,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,261.60 : 4,032,392.40 = 2,439,429.60 : x
  2. Step 2: Convert to fraction form
    2,688,261.60/4,032,392.40 = 2,439,429.60/x
  3. Step 3: Cross multiply
    2,688,261.60x = 4,032,392.40 × 2,439,429.60
  4. Step 4: Simplify right side
    2,688,261.60x = 9,836,737,379,375.04
  5. Step 5: Solve for x
    x = 9,836,737,379,375.04/2,688,261.60
  6. Step 6: Final answer
    x = 3,659,144.40

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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.