Home / 3,913,750.95-5,871,180.02-1,218,348.15

Finding the Fourth Proportional to 3,913,750.95, 5,871,180.02 and 1,218,348.15

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Solution

The fourth proportional to 3,913,750.95, 5,871,180.02 and 1,218,348.15 is: 1,827,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,750.95 : 5,871,180.02 = 1,218,348.15 : x
  2. Step 2: Convert to fraction form
    3,913,750.95/5,871,180.02 = 1,218,348.15/x
  3. Step 3: Cross multiply
    3,913,750.95x = 5,871,180.02 × 1,218,348.15
  4. Step 4: Simplify right side
    3,913,750.95x = 7,153,141,309,592.22
  5. Step 5: Solve for x
    x = 7,153,141,309,592.22/3,913,750.95
  6. Step 6: Final answer
    x = 1,827,694.56

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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.