Home / 3,884,151.28-5,360,447.90-2,142,161.40

Finding the Fourth Proportional to 3,884,151.28, 5,360,447.90 and 2,142,161.40

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Solution

The fourth proportional to 3,884,151.28, 5,360,447.90 and 2,142,161.40 is: 2,956,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,151.28 : 5,360,447.90 = 2,142,161.40 : x
  2. Step 2: Convert to fraction form
    3,884,151.28/5,360,447.90 = 2,142,161.40/x
  3. Step 3: Cross multiply
    3,884,151.28x = 5,360,447.90 × 2,142,161.40
  4. Step 4: Simplify right side
    3,884,151.28x = 11,482,944,578,091.06
  5. Step 5: Solve for x
    x = 11,482,944,578,091.06/3,884,151.28
  6. Step 6: Final answer
    x = 2,956,358.74

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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.