Home / 6,280,038.80-9,420,058.20-2,290,432.40

Finding the Fourth Proportional to 6,280,038.80, 9,420,058.20 and 2,290,432.40

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Solution

The fourth proportional to 6,280,038.80, 9,420,058.20 and 2,290,432.40 is: 3,435,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280,038.80 : 9,420,058.20 = 2,290,432.40 : x
  2. Step 2: Convert to fraction form
    6,280,038.80/9,420,058.20 = 2,290,432.40/x
  3. Step 3: Cross multiply
    6,280,038.80x = 9,420,058.20 × 2,290,432.40
  4. Step 4: Simplify right side
    6,280,038.80x = 21,576,006,511,165.68
  5. Step 5: Solve for x
    x = 21,576,006,511,165.68/6,280,038.80
  6. Step 6: Final answer
    x = 3,435,648.60

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Similar ratio
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1.5x scale

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.