Home / 2,556,219.60-3,829,663.80-1,557,781.20

Finding the Fourth Proportional to 2,556,219.60, 3,829,663.80 and 1,557,781.20

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Solution

The fourth proportional to 2,556,219.60, 3,829,663.80 and 1,557,781.20 is: 2,333,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,219.60 : 3,829,663.80 = 1,557,781.20 : x
  2. Step 2: Convert to fraction form
    2,556,219.60/3,829,663.80 = 1,557,781.20/x
  3. Step 3: Cross multiply
    2,556,219.60x = 3,829,663.80 × 1,557,781.20
  4. Step 4: Simplify right side
    2,556,219.60x = 5,965,778,269,960.56
  5. Step 5: Solve for x
    x = 5,965,778,269,960.56/2,556,219.60
  6. Step 6: Final answer
    x = 2,333,828.55

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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.