Home / 4,920,752.80-7,381,129.20-3,028,560.40

Finding the Fourth Proportional to 4,920,752.80, 7,381,129.20 and 3,028,560.40

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Solution

The fourth proportional to 4,920,752.80, 7,381,129.20 and 3,028,560.40 is: 4,542,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,752.80 : 7,381,129.20 = 3,028,560.40 : x
  2. Step 2: Convert to fraction form
    4,920,752.80/7,381,129.20 = 3,028,560.40/x
  3. Step 3: Cross multiply
    4,920,752.80x = 7,381,129.20 × 3,028,560.40
  4. Step 4: Simplify right side
    4,920,752.80x = 22,354,195,602,403.68
  5. Step 5: Solve for x
    x = 22,354,195,602,403.68/4,920,752.80
  6. Step 6: Final answer
    x = 4,542,840.60

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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.