Home / 3,702,407.40-5,111,970.06-2,887,521.48

Finding the Fourth Proportional to 3,702,407.40, 5,111,970.06 and 2,887,521.48

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Solution

The fourth proportional to 3,702,407.40, 5,111,970.06 and 2,887,521.48 is: 3,986,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702,407.40 : 5,111,970.06 = 2,887,521.48 : x
  2. Step 2: Convert to fraction form
    3,702,407.40/5,111,970.06 = 2,887,521.48/x
  3. Step 3: Cross multiply
    3,702,407.40x = 5,111,970.06 × 2,887,521.48
  4. Step 4: Simplify right side
    3,702,407.40x = 14,760,923,353,366.89
  5. Step 5: Solve for x
    x = 14,760,923,353,366.89/3,702,407.40
  6. Step 6: Final answer
    x = 3,986,844.71

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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.