Home / 2,871,407.31-3,962,298.16-1,647,686.51

Finding the Fourth Proportional to 2,871,407.31, 3,962,298.16 and 1,647,686.51

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Solution

The fourth proportional to 2,871,407.31, 3,962,298.16 and 1,647,686.51 is: 2,273,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,407.31 : 3,962,298.16 = 1,647,686.51 : x
  2. Step 2: Convert to fraction form
    2,871,407.31/3,962,298.16 = 1,647,686.51/x
  3. Step 3: Cross multiply
    2,871,407.31x = 3,962,298.16 × 1,647,686.51
  4. Step 4: Simplify right side
    2,871,407.31x = 6,528,625,226,829.82
  5. Step 5: Solve for x
    x = 6,528,625,226,829.82/2,871,407.31
  6. Step 6: Final answer
    x = 2,273,667.42

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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.