Home / 2,871,332.20-3,962,615.30-1,582,172.36

Finding the Fourth Proportional to 2,871,332.20, 3,962,615.30 and 1,582,172.36

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Solution

The fourth proportional to 2,871,332.20, 3,962,615.30 and 1,582,172.36 is: 2,183,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,332.20 : 3,962,615.30 = 1,582,172.36 : x
  2. Step 2: Convert to fraction form
    2,871,332.20/3,962,615.30 = 1,582,172.36/x
  3. Step 3: Cross multiply
    2,871,332.20x = 3,962,615.30 × 1,582,172.36
  4. Step 4: Simplify right side
    2,871,332.20x = 6,269,540,400,973.11
  5. Step 5: Solve for x
    x = 6,269,540,400,973.11/2,871,332.20
  6. Step 6: Final answer
    x = 2,183,495.31

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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.