Home / 2,518,187.32-3,776,169.66-720,661.51

Finding the Fourth Proportional to 2,518,187.32, 3,776,169.66 and 720,661.51

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Solution

The fourth proportional to 2,518,187.32, 3,776,169.66 and 720,661.51 is: 1,080,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,187.32 : 3,776,169.66 = 720,661.51 : x
  2. Step 2: Convert to fraction form
    2,518,187.32/3,776,169.66 = 720,661.51/x
  3. Step 3: Cross multiply
    2,518,187.32x = 3,776,169.66 × 720,661.51
  4. Step 4: Simplify right side
    2,518,187.32x = 2,721,340,129,191.79
  5. Step 5: Solve for x
    x = 2,721,340,129,191.79/2,518,187.32
  6. Step 6: Final answer
    x = 1,080,674.22

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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.