Home / 2,208,343.82-3,312,510.66-692,142.28

Finding the Fourth Proportional to 2,208,343.82, 3,312,510.66 and 692,142.28

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Solution

The fourth proportional to 2,208,343.82, 3,312,510.66 and 692,142.28 is: 1,038,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,343.82 : 3,312,510.66 = 692,142.28 : x
  2. Step 2: Convert to fraction form
    2,208,343.82/3,312,510.66 = 692,142.28/x
  3. Step 3: Cross multiply
    2,208,343.82x = 3,312,510.66 × 692,142.28
  4. Step 4: Simplify right side
    2,208,343.82x = 2,292,728,680,736.71
  5. Step 5: Solve for x
    x = 2,292,728,680,736.71/2,208,343.82
  6. Step 6: Final answer
    x = 1,038,211.83

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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.