Home / 2,549,666.43-3,518,560.91-1,388,120.65

Finding the Fourth Proportional to 2,549,666.43, 3,518,560.91 and 1,388,120.65

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Solution

The fourth proportional to 2,549,666.43, 3,518,560.91 and 1,388,120.65 is: 1,915,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,666.43 : 3,518,560.91 = 1,388,120.65 : x
  2. Step 2: Convert to fraction form
    2,549,666.43/3,518,560.91 = 1,388,120.65/x
  3. Step 3: Cross multiply
    2,549,666.43x = 3,518,560.91 × 1,388,120.65
  4. Step 4: Simplify right side
    2,549,666.43x = 4,884,187,057,453.79
  5. Step 5: Solve for x
    x = 4,884,187,057,453.79/2,549,666.43
  6. Step 6: Final answer
    x = 1,915,618.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.