Home / 1,948,842.28-2,689,419.75-1,077,735.59

Finding the Fourth Proportional to 1,948,842.28, 2,689,419.75 and 1,077,735.59

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Solution

The fourth proportional to 1,948,842.28, 2,689,419.75 and 1,077,735.59 is: 1,487,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,842.28 : 2,689,419.75 = 1,077,735.59 : x
  2. Step 2: Convert to fraction form
    1,948,842.28/2,689,419.75 = 1,077,735.59/x
  3. Step 3: Cross multiply
    1,948,842.28x = 2,689,419.75 × 1,077,735.59
  4. Step 4: Simplify right side
    1,948,842.28x = 2,898,483,381,023.90
  5. Step 5: Solve for x
    x = 2,898,483,381,023.90/1,948,842.28
  6. Step 6: Final answer
    x = 1,487,284.74

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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.