Home / 2,689,209.40-3,711,109.70-1,465,515.28

Finding the Fourth Proportional to 2,689,209.40, 3,711,109.70 and 1,465,515.28

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Solution

The fourth proportional to 2,689,209.40, 3,711,109.70 and 1,465,515.28 is: 2,022,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,209.40 : 3,711,109.70 = 1,465,515.28 : x
  2. Step 2: Convert to fraction form
    2,689,209.40/3,711,109.70 = 1,465,515.28/x
  3. Step 3: Cross multiply
    2,689,209.40x = 3,711,109.70 × 1,465,515.28
  4. Step 4: Simplify right side
    2,689,209.40x = 5,438,687,971,106.22
  5. Step 5: Solve for x
    x = 5,438,687,971,106.22/2,689,209.40
  6. Step 6: Final answer
    x = 2,022,411.48

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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.