Home / 5,427,984.51-7,490,748.78-2,947,309.74

Finding the Fourth Proportional to 5,427,984.51, 7,490,748.78 and 2,947,309.74

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Solution

The fourth proportional to 5,427,984.51, 7,490,748.78 and 2,947,309.74 is: 4,067,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,984.51 : 7,490,748.78 = 2,947,309.74 : x
  2. Step 2: Convert to fraction form
    5,427,984.51/7,490,748.78 = 2,947,309.74/x
  3. Step 3: Cross multiply
    5,427,984.51x = 7,490,748.78 × 2,947,309.74
  4. Step 4: Simplify right side
    5,427,984.51x = 22,077,556,839,187.12
  5. Step 5: Solve for x
    x = 22,077,556,839,187.12/5,427,984.51
  6. Step 6: Final answer
    x = 4,067,358.11

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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.