Home / 2,690,693.75-4,036,055.49-668,937.66

Finding the Fourth Proportional to 2,690,693.75, 4,036,055.49 and 668,937.66

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Solution

The fourth proportional to 2,690,693.75, 4,036,055.49 and 668,937.66 is: 1,003,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,693.75 : 4,036,055.49 = 668,937.66 : x
  2. Step 2: Convert to fraction form
    2,690,693.75/4,036,055.49 = 668,937.66/x
  3. Step 3: Cross multiply
    2,690,693.75x = 4,036,055.49 × 668,937.66
  4. Step 4: Simplify right side
    2,690,693.75x = 2,699,869,515,110.75
  5. Step 5: Solve for x
    x = 2,699,869,515,110.75/2,690,693.75
  6. Step 6: Final answer
    x = 1,003,410.19

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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.