Home / 4,519,279.12-6,778,042.26-1,280,788.96

Finding the Fourth Proportional to 4,519,279.12, 6,778,042.26 and 1,280,788.96

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Solution

The fourth proportional to 4,519,279.12, 6,778,042.26 and 1,280,788.96 is: 1,920,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519,279.12 : 6,778,042.26 = 1,280,788.96 : x
  2. Step 2: Convert to fraction form
    4,519,279.12/6,778,042.26 = 1,280,788.96/x
  3. Step 3: Cross multiply
    4,519,279.12x = 6,778,042.26 × 1,280,788.96
  4. Step 4: Simplify right side
    4,519,279.12x = 8,681,241,697,021.45
  5. Step 5: Solve for x
    x = 8,681,241,697,021.45/4,519,279.12
  6. Step 6: Final answer
    x = 1,920,935.06

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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.