Home / 2,657,129.16-3,985,917.66-835,912.20

Finding the Fourth Proportional to 2,657,129.16, 3,985,917.66 and 835,912.20

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Solution

The fourth proportional to 2,657,129.16, 3,985,917.66 and 835,912.20 is: 1,253,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,129.16 : 3,985,917.66 = 835,912.20 : x
  2. Step 2: Convert to fraction form
    2,657,129.16/3,985,917.66 = 835,912.20/x
  3. Step 3: Cross multiply
    2,657,129.16x = 3,985,917.66 × 835,912.20
  4. Step 4: Simplify right side
    2,657,129.16x = 3,331,877,200,189.45
  5. Step 5: Solve for x
    x = 3,331,877,200,189.45/2,657,129.16
  6. Step 6: Final answer
    x = 1,253,938.74

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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.