Home / 3,428,724-5,143,366.02-1,721,989.46

Finding the Fourth Proportional to 3,428,724, 5,143,366.02 and 1,721,989.46

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Solution

The fourth proportional to 3,428,724, 5,143,366.02 and 1,721,989.46 is: 2,583,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,724 : 5,143,366.02 = 1,721,989.46 : x
  2. Step 2: Convert to fraction form
    3,428,724/5,143,366.02 = 1,721,989.46/x
  3. Step 3: Cross multiply
    3,428,724x = 5,143,366.02 × 1,721,989.46
  4. Step 4: Simplify right side
    3,428,724x = 8,856,822,075,362.15
  5. Step 5: Solve for x
    x = 8,856,822,075,362.15/3,428,724
  6. Step 6: Final answer
    x = 2,583,124.82

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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.