Home / 3,121,702.74-4,308,644.75-1,897,749

Finding the Fourth Proportional to 3,121,702.74, 4,308,644.75 and 1,897,749

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Solution

The fourth proportional to 3,121,702.74, 4,308,644.75 and 1,897,749 is: 2,619,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,702.74 : 4,308,644.75 = 1,897,749 : x
  2. Step 2: Convert to fraction form
    3,121,702.74/4,308,644.75 = 1,897,749/x
  3. Step 3: Cross multiply
    3,121,702.74x = 4,308,644.75 × 1,897,749
  4. Step 4: Simplify right side
    3,121,702.74x = 8,176,726,256,179.01
  5. Step 5: Solve for x
    x = 8,176,726,256,179.01/3,121,702.74
  6. Step 6: Final answer
    x = 2,619,316.10

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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.