Home / 4,280,116.80-6,420,466.80-1,361,978.40

Finding the Fourth Proportional to 4,280,116.80, 6,420,466.80 and 1,361,978.40

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Solution

The fourth proportional to 4,280,116.80, 6,420,466.80 and 1,361,978.40 is: 2,043,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,116.80 : 6,420,466.80 = 1,361,978.40 : x
  2. Step 2: Convert to fraction form
    4,280,116.80/6,420,466.80 = 1,361,978.40/x
  3. Step 3: Cross multiply
    4,280,116.80x = 6,420,466.80 × 1,361,978.40
  4. Step 4: Simplify right side
    4,280,116.80x = 8,744,537,099,517.12
  5. Step 5: Solve for x
    x = 8,744,537,099,517.12/4,280,116.80
  6. Step 6: Final answer
    x = 2,043,060.39

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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.