Home / 2,676,776.10-4,017,788.55-1,330,458.90

Finding the Fourth Proportional to 2,676,776.10, 4,017,788.55 and 1,330,458.90

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Solution

The fourth proportional to 2,676,776.10, 4,017,788.55 and 1,330,458.90 is: 1,996,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,776.10 : 4,017,788.55 = 1,330,458.90 : x
  2. Step 2: Convert to fraction form
    2,676,776.10/4,017,788.55 = 1,330,458.90/x
  3. Step 3: Cross multiply
    2,676,776.10x = 4,017,788.55 × 1,330,458.90
  4. Step 4: Simplify right side
    2,676,776.10x = 5,345,502,534,665.60
  5. Step 5: Solve for x
    x = 5,345,502,534,665.60/2,676,776.10
  6. Step 6: Final answer
    x = 1,996,992.78

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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.