Home / 2,209,877.40-3,308,657.22-1,128,062.82

Finding the Fourth Proportional to 2,209,877.40, 3,308,657.22 and 1,128,062.82

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Solution

The fourth proportional to 2,209,877.40, 3,308,657.22 and 1,128,062.82 is: 1,688,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,877.40 : 3,308,657.22 = 1,128,062.82 : x
  2. Step 2: Convert to fraction form
    2,209,877.40/3,308,657.22 = 1,128,062.82/x
  3. Step 3: Cross multiply
    2,209,877.40x = 3,308,657.22 × 1,128,062.82
  4. Step 4: Simplify right side
    2,209,877.40x = 3,732,373,189,917.95
  5. Step 5: Solve for x
    x = 3,732,373,189,917.95/2,209,877.40
  6. Step 6: Final answer
    x = 1,688,950.34

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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.