Home / 2,239,134.42-3,089,888.90-1,272,130.50

Finding the Fourth Proportional to 2,239,134.42, 3,089,888.90 and 1,272,130.50

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Solution

The fourth proportional to 2,239,134.42, 3,089,888.90 and 1,272,130.50 is: 1,755,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,134.42 : 3,089,888.90 = 1,272,130.50 : x
  2. Step 2: Convert to fraction form
    2,239,134.42/3,089,888.90 = 1,272,130.50/x
  3. Step 3: Cross multiply
    2,239,134.42x = 3,089,888.90 × 1,272,130.50
  4. Step 4: Simplify right side
    2,239,134.42x = 3,930,741,911,301.45
  5. Step 5: Solve for x
    x = 3,930,741,911,301.45/2,239,134.42
  6. Step 6: Final answer
    x = 1,755,473.85

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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.