Home / 2,239,011.55-3,089,836.77-1,272,143.11

Finding the Fourth Proportional to 2,239,011.55, 3,089,836.77 and 1,272,143.11

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Solution

The fourth proportional to 2,239,011.55, 3,089,836.77 and 1,272,143.11 is: 1,755,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,011.55 : 3,089,836.77 = 1,272,143.11 : x
  2. Step 2: Convert to fraction form
    2,239,011.55/3,089,836.77 = 1,272,143.11/x
  3. Step 3: Cross multiply
    2,239,011.55x = 3,089,836.77 × 1,272,143.11
  4. Step 4: Simplify right side
    2,239,011.55x = 3,930,714,557,980.16
  5. Step 5: Solve for x
    x = 3,930,714,557,980.16/2,239,011.55
  6. Step 6: Final answer
    x = 1,755,557.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.