Home / 2,748,051.20-4,122,076.80-726,291.20

Finding the Fourth Proportional to 2,748,051.20, 4,122,076.80 and 726,291.20

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Solution

The fourth proportional to 2,748,051.20, 4,122,076.80 and 726,291.20 is: 1,089,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,051.20 : 4,122,076.80 = 726,291.20 : x
  2. Step 2: Convert to fraction form
    2,748,051.20/4,122,076.80 = 726,291.20/x
  3. Step 3: Cross multiply
    2,748,051.20x = 4,122,076.80 × 726,291.20
  4. Step 4: Simplify right side
    2,748,051.20x = 2,993,828,105,564.16
  5. Step 5: Solve for x
    x = 2,993,828,105,564.16/2,748,051.20
  6. Step 6: Final answer
    x = 1,089,436.80

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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.