Home / 4,374,020.40-6,561,030.60-2,778,385.20

Finding the Fourth Proportional to 4,374,020.40, 6,561,030.60 and 2,778,385.20

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Solution

The fourth proportional to 4,374,020.40, 6,561,030.60 and 2,778,385.20 is: 4,167,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,020.40 : 6,561,030.60 = 2,778,385.20 : x
  2. Step 2: Convert to fraction form
    4,374,020.40/6,561,030.60 = 2,778,385.20/x
  3. Step 3: Cross multiply
    4,374,020.40x = 6,561,030.60 × 2,778,385.20
  4. Step 4: Simplify right side
    4,374,020.40x = 18,229,070,315,787.12
  5. Step 5: Solve for x
    x = 18,229,070,315,787.12/4,374,020.40
  6. Step 6: Final answer
    x = 4,167,577.80

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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.