Home / 2,170,122.80-3,256,739.40-908,855.60

Finding the Fourth Proportional to 2,170,122.80, 3,256,739.40 and 908,855.60

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Solution

The fourth proportional to 2,170,122.80, 3,256,739.40 and 908,855.60 is: 1,363,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,122.80 : 3,256,739.40 = 908,855.60 : x
  2. Step 2: Convert to fraction form
    2,170,122.80/3,256,739.40 = 908,855.60/x
  3. Step 3: Cross multiply
    2,170,122.80x = 3,256,739.40 × 908,855.60
  4. Step 4: Simplify right side
    2,170,122.80x = 2,959,905,841,430.64
  5. Step 5: Solve for x
    x = 2,959,905,841,430.64/2,170,122.80
  6. Step 6: Final answer
    x = 1,363,934.72

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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.