Home / 5,228,842.40-7,841,708.40-2,032,128.80

Finding the Fourth Proportional to 5,228,842.40, 7,841,708.40 and 2,032,128.80

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Solution

The fourth proportional to 5,228,842.40, 7,841,708.40 and 2,032,128.80 is: 3,047,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,842.40 : 7,841,708.40 = 2,032,128.80 : x
  2. Step 2: Convert to fraction form
    5,228,842.40/7,841,708.40 = 2,032,128.80/x
  3. Step 3: Cross multiply
    5,228,842.40x = 7,841,708.40 × 2,032,128.80
  4. Step 4: Simplify right side
    5,228,842.40x = 15,935,361,480,841.92
  5. Step 5: Solve for x
    x = 15,935,361,480,841.92/5,228,842.40
  6. Step 6: Final answer
    x = 3,047,588.79

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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.