Home / 3,884,762.78-5,828,123.99-1,291,081.15

Finding the Fourth Proportional to 3,884,762.78, 5,828,123.99 and 1,291,081.15

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Solution

The fourth proportional to 3,884,762.78, 5,828,123.99 and 1,291,081.15 is: 1,936,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,762.78 : 5,828,123.99 = 1,291,081.15 : x
  2. Step 2: Convert to fraction form
    3,884,762.78/5,828,123.99 = 1,291,081.15/x
  3. Step 3: Cross multiply
    3,884,762.78x = 5,828,123.99 × 1,291,081.15
  4. Step 4: Simplify right side
    3,884,762.78x = 7,524,581,023,351.79
  5. Step 5: Solve for x
    x = 7,524,581,023,351.79/3,884,762.78
  6. Step 6: Final answer
    x = 1,936,947.36

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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.