Home / 2,172,702.60-3,259,442.70-910,657.80

Finding the Fourth Proportional to 2,172,702.60, 3,259,442.70 and 910,657.80

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Solution

The fourth proportional to 2,172,702.60, 3,259,442.70 and 910,657.80 is: 1,366,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,702.60 : 3,259,442.70 = 910,657.80 : x
  2. Step 2: Convert to fraction form
    2,172,702.60/3,259,442.70 = 910,657.80/x
  3. Step 3: Cross multiply
    2,172,702.60x = 3,259,442.70 × 910,657.80
  4. Step 4: Simplify right side
    2,172,702.60x = 2,968,236,918,408.06
  5. Step 5: Solve for x
    x = 2,968,236,918,408.06/2,172,702.60
  6. Step 6: Final answer
    x = 1,366,149.66

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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.