Home / 3,861,081.28-5,788,046.80-1,430,881.60

Finding the Fourth Proportional to 3,861,081.28, 5,788,046.80 and 1,430,881.60

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Solution

The fourth proportional to 3,861,081.28, 5,788,046.80 and 1,430,881.60 is: 2,144,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,081.28 : 5,788,046.80 = 1,430,881.60 : x
  2. Step 2: Convert to fraction form
    3,861,081.28/5,788,046.80 = 1,430,881.60/x
  3. Step 3: Cross multiply
    3,861,081.28x = 5,788,046.80 × 1,430,881.60
  4. Step 4: Simplify right side
    3,861,081.28x = 8,282,009,666,058.88
  5. Step 5: Solve for x
    x = 8,282,009,666,058.88/3,861,081.28
  6. Step 6: Final answer
    x = 2,144,997.49

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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.