Home / 3,941,247.78-5,438,919.51-2,130,411.78

Finding the Fourth Proportional to 3,941,247.78, 5,438,919.51 and 2,130,411.78

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Solution

The fourth proportional to 3,941,247.78, 5,438,919.51 and 2,130,411.78 is: 2,939,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,247.78 : 5,438,919.51 = 2,130,411.78 : x
  2. Step 2: Convert to fraction form
    3,941,247.78/5,438,919.51 = 2,130,411.78/x
  3. Step 3: Cross multiply
    3,941,247.78x = 5,438,919.51 × 2,130,411.78
  4. Step 4: Simplify right side
    3,941,247.78x = 11,587,138,194,575.83
  5. Step 5: Solve for x
    x = 11,587,138,194,575.83/3,941,247.78
  6. Step 6: Final answer
    x = 2,939,966.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.