Home / 3,586,437.20-5,385,876.60-1,906,821.20

Finding the Fourth Proportional to 3,586,437.20, 5,385,876.60 and 1,906,821.20

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Solution

The fourth proportional to 3,586,437.20, 5,385,876.60 and 1,906,821.20 is: 2,863,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,437.20 : 5,385,876.60 = 1,906,821.20 : x
  2. Step 2: Convert to fraction form
    3,586,437.20/5,385,876.60 = 1,906,821.20/x
  3. Step 3: Cross multiply
    3,586,437.20x = 5,385,876.60 × 1,906,821.20
  4. Step 4: Simplify right side
    3,586,437.20x = 10,269,903,681,463.92
  5. Step 5: Solve for x
    x = 10,269,903,681,463.92/3,586,437.20
  6. Step 6: Final answer
    x = 2,863,539.25

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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.