Home / 3,428,104.40-5,138,657.40-2,007,429.20

Finding the Fourth Proportional to 3,428,104.40, 5,138,657.40 and 2,007,429.20

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Solution

The fourth proportional to 3,428,104.40, 5,138,657.40 and 2,007,429.20 is: 3,009,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,104.40 : 5,138,657.40 = 2,007,429.20 : x
  2. Step 2: Convert to fraction form
    3,428,104.40/5,138,657.40 = 2,007,429.20/x
  3. Step 3: Cross multiply
    3,428,104.40x = 5,138,657.40 × 2,007,429.20
  4. Step 4: Simplify right side
    3,428,104.40x = 10,315,490,913,556.08
  5. Step 5: Solve for x
    x = 10,315,490,913,556.08/3,428,104.40
  6. Step 6: Final answer
    x = 3,009,094.74

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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.