Home / 2,556,782.28-3,830,227.66-2,141,521.20

Finding the Fourth Proportional to 2,556,782.28, 3,830,227.66 and 2,141,521.20

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Solution

The fourth proportional to 2,556,782.28, 3,830,227.66 and 2,141,521.20 is: 3,208,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,782.28 : 3,830,227.66 = 2,141,521.20 : x
  2. Step 2: Convert to fraction form
    2,556,782.28/3,830,227.66 = 2,141,521.20/x
  3. Step 3: Cross multiply
    2,556,782.28x = 3,830,227.66 × 2,141,521.20
  4. Step 4: Simplify right side
    2,556,782.28x = 8,202,513,724,008.79
  5. Step 5: Solve for x
    x = 8,202,513,724,008.79/2,556,782.28
  6. Step 6: Final answer
    x = 3,208,139.30

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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.