Home / 2,208,343.32-3,312,509.92-692,141.78

Finding the Fourth Proportional to 2,208,343.32, 3,312,509.92 and 692,141.78

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Solution

The fourth proportional to 2,208,343.32, 3,312,509.92 and 692,141.78 is: 1,038,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,343.32 : 3,312,509.92 = 692,141.78 : x
  2. Step 2: Convert to fraction form
    2,208,343.32/3,312,509.92 = 692,141.78/x
  3. Step 3: Cross multiply
    2,208,343.32x = 3,312,509.92 × 692,141.78
  4. Step 4: Simplify right side
    2,208,343.32x = 2,292,726,512,296.46
  5. Step 5: Solve for x
    x = 2,292,726,512,296.46/2,208,343.32
  6. Step 6: Final answer
    x = 1,038,211.08

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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.