Home / 5,158,521.12-7,111,256.40-3,604,959.42

Finding the Fourth Proportional to 5,158,521.12, 7,111,256.40 and 3,604,959.42

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Solution

The fourth proportional to 5,158,521.12, 7,111,256.40 and 3,604,959.42 is: 4,969,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,521.12 : 7,111,256.40 = 3,604,959.42 : x
  2. Step 2: Convert to fraction form
    5,158,521.12/7,111,256.40 = 3,604,959.42/x
  3. Step 3: Cross multiply
    5,158,521.12x = 7,111,256.40 × 3,604,959.42
  4. Step 4: Simplify right side
    5,158,521.12x = 25,635,790,747,215.29
  5. Step 5: Solve for x
    x = 25,635,790,747,215.29/5,158,521.12
  6. Step 6: Final answer
    x = 4,969,600.81

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1.5x scale

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.