Home / 4,920,620.10-7,380,930.15-4,870,853.70

Finding the Fourth Proportional to 4,920,620.10, 7,380,930.15 and 4,870,853.70

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Solution

The fourth proportional to 4,920,620.10, 7,380,930.15 and 4,870,853.70 is: 7,306,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,620.10 : 7,380,930.15 = 4,870,853.70 : x
  2. Step 2: Convert to fraction form
    4,920,620.10/7,380,930.15 = 4,870,853.70/x
  3. Step 3: Cross multiply
    4,920,620.10x = 7,380,930.15 × 4,870,853.70
  4. Step 4: Simplify right side
    4,920,620.10x = 35,951,430,930,569.05
  5. Step 5: Solve for x
    x = 35,951,430,930,569.05/4,920,620.10
  6. Step 6: Final answer
    x = 7,306,280.55

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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.