Home / 3,427,479.78-4,729,740.03-1,977,088.92

Finding the Fourth Proportional to 3,427,479.78, 4,729,740.03 and 1,977,088.92

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Solution

The fourth proportional to 3,427,479.78, 4,729,740.03 and 1,977,088.92 is: 2,728,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,479.78 : 4,729,740.03 = 1,977,088.92 : x
  2. Step 2: Convert to fraction form
    3,427,479.78/4,729,740.03 = 1,977,088.92/x
  3. Step 3: Cross multiply
    3,427,479.78x = 4,729,740.03 × 1,977,088.92
  4. Step 4: Simplify right side
    3,427,479.78x = 9,351,116,607,793.47
  5. Step 5: Solve for x
    x = 9,351,116,607,793.47/3,427,479.78
  6. Step 6: Final answer
    x = 2,728,277.69

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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.