Home / 2,869,959.50-3,960,199.04-1,646,201.78

Finding the Fourth Proportional to 2,869,959.50, 3,960,199.04 and 1,646,201.78

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Solution

The fourth proportional to 2,869,959.50, 3,960,199.04 and 1,646,201.78 is: 2,271,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,959.50 : 3,960,199.04 = 1,646,201.78 : x
  2. Step 2: Convert to fraction form
    2,869,959.50/3,960,199.04 = 1,646,201.78/x
  3. Step 3: Cross multiply
    2,869,959.50x = 3,960,199.04 × 1,646,201.78
  4. Step 4: Simplify right side
    2,869,959.50x = 6,519,286,708,802.29
  5. Step 5: Solve for x
    x = 6,519,286,708,802.29/2,869,959.50
  6. Step 6: Final answer
    x = 2,271,560.53

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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.