Home / 5,227,801.20-7,842,090.60-1,861,570.80

Finding the Fourth Proportional to 5,227,801.20, 7,842,090.60 and 1,861,570.80

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Solution

The fourth proportional to 5,227,801.20, 7,842,090.60 and 1,861,570.80 is: 2,792,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227,801.20 : 7,842,090.60 = 1,861,570.80 : x
  2. Step 2: Convert to fraction form
    5,227,801.20/7,842,090.60 = 1,861,570.80/x
  3. Step 3: Cross multiply
    5,227,801.20x = 7,842,090.60 × 1,861,570.80
  4. Step 4: Simplify right side
    5,227,801.20x = 14,598,606,871,914.48
  5. Step 5: Solve for x
    x = 14,598,606,871,914.48/5,227,801.20
  6. Step 6: Final answer
    x = 2,792,494.65

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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.