Home / 4,280,104.80-6,420,448.80-1,361,966.40

Finding the Fourth Proportional to 4,280,104.80, 6,420,448.80 and 1,361,966.40

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Solution

The fourth proportional to 4,280,104.80, 6,420,448.80 and 1,361,966.40 is: 2,043,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,104.80 : 6,420,448.80 = 1,361,966.40 : x
  2. Step 2: Convert to fraction form
    4,280,104.80/6,420,448.80 = 1,361,966.40/x
  3. Step 3: Cross multiply
    4,280,104.80x = 6,420,448.80 × 1,361,966.40
  4. Step 4: Simplify right side
    4,280,104.80x = 8,744,435,538,520.32
  5. Step 5: Solve for x
    x = 8,744,435,538,520.32/4,280,104.80
  6. Step 6: Final answer
    x = 2,043,042.39

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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.