Home / 3,280,641.60-4,920,962.40-2,465,765.40

Finding the Fourth Proportional to 3,280,641.60, 4,920,962.40 and 2,465,765.40

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Solution

The fourth proportional to 3,280,641.60, 4,920,962.40 and 2,465,765.40 is: 3,698,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,641.60 : 4,920,962.40 = 2,465,765.40 : x
  2. Step 2: Convert to fraction form
    3,280,641.60/4,920,962.40 = 2,465,765.40/x
  3. Step 3: Cross multiply
    3,280,641.60x = 4,920,962.40 × 2,465,765.40
  4. Step 4: Simplify right side
    3,280,641.60x = 12,133,938,820,620.96
  5. Step 5: Solve for x
    x = 12,133,938,820,620.96/3,280,641.60
  6. Step 6: Final answer
    x = 3,698,648.10

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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.