Home / 5,247,152.20-7,872,110.70-1,881,008.20

Finding the Fourth Proportional to 5,247,152.20, 7,872,110.70 and 1,881,008.20

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Solution

The fourth proportional to 5,247,152.20, 7,872,110.70 and 1,881,008.20 is: 2,822,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,152.20 : 7,872,110.70 = 1,881,008.20 : x
  2. Step 2: Convert to fraction form
    5,247,152.20/7,872,110.70 = 1,881,008.20/x
  3. Step 3: Cross multiply
    5,247,152.20x = 7,872,110.70 × 1,881,008.20
  4. Step 4: Simplify right side
    5,247,152.20x = 14,807,504,778,007.74
  5. Step 5: Solve for x
    x = 14,807,504,778,007.74/5,247,152.20
  6. Step 6: Final answer
    x = 2,822,007.87

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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.