Home / 2,521,964.80-3,782,025.60-839,123.20

Finding the Fourth Proportional to 2,521,964.80, 3,782,025.60 and 839,123.20

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Solution

The fourth proportional to 2,521,964.80, 3,782,025.60 and 839,123.20 is: 1,258,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,964.80 : 3,782,025.60 = 839,123.20 : x
  2. Step 2: Convert to fraction form
    2,521,964.80/3,782,025.60 = 839,123.20/x
  3. Step 3: Cross multiply
    2,521,964.80x = 3,782,025.60 × 839,123.20
  4. Step 4: Simplify right side
    2,521,964.80x = 3,173,585,423,953.92
  5. Step 5: Solve for x
    x = 3,173,585,423,953.92/2,521,964.80
  6. Step 6: Final answer
    x = 1,258,378.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.