Home / 2,818,711.60-3,889,802.28-1,529,519.20

Finding the Fourth Proportional to 2,818,711.60, 3,889,802.28 and 1,529,519.20

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Solution

The fourth proportional to 2,818,711.60, 3,889,802.28 and 1,529,519.20 is: 2,110,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,711.60 : 3,889,802.28 = 1,529,519.20 : x
  2. Step 2: Convert to fraction form
    2,818,711.60/3,889,802.28 = 1,529,519.20/x
  3. Step 3: Cross multiply
    2,818,711.60x = 3,889,802.28 × 1,529,519.20
  4. Step 4: Simplify right side
    2,818,711.60x = 5,949,527,271,463.78
  5. Step 5: Solve for x
    x = 5,949,527,271,463.78/2,818,711.60
  6. Step 6: Final answer
    x = 2,110,725.79

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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.