Home / 4,128,126.32-5,696,658.06-2,292,702.78

Finding the Fourth Proportional to 4,128,126.32, 5,696,658.06 and 2,292,702.78

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Solution

The fourth proportional to 4,128,126.32, 5,696,658.06 and 2,292,702.78 is: 3,163,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,126.32 : 5,696,658.06 = 2,292,702.78 : x
  2. Step 2: Convert to fraction form
    4,128,126.32/5,696,658.06 = 2,292,702.78/x
  3. Step 3: Cross multiply
    4,128,126.32x = 5,696,658.06 × 2,292,702.78
  4. Step 4: Simplify right side
    4,128,126.32x = 13,060,743,780,510.84
  5. Step 5: Solve for x
    x = 13,060,743,780,510.84/4,128,126.32
  6. Step 6: Final answer
    x = 3,163,843.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.