Home / 2,142,510.12-3,211,505.67-702,817.56

Finding the Fourth Proportional to 2,142,510.12, 3,211,505.67 and 702,817.56

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Solution

The fourth proportional to 2,142,510.12, 3,211,505.67 and 702,817.56 is: 1,053,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,510.12 : 3,211,505.67 = 702,817.56 : x
  2. Step 2: Convert to fraction form
    2,142,510.12/3,211,505.67 = 702,817.56/x
  3. Step 3: Cross multiply
    2,142,510.12x = 3,211,505.67 × 702,817.56
  4. Step 4: Simplify right side
    2,142,510.12x = 2,257,102,578,915.57
  5. Step 5: Solve for x
    x = 2,257,102,578,915.57/2,142,510.12
  6. Step 6: Final answer
    x = 1,053,485.14

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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.