Home / 2,987,754.48-4,123,449.76-1,698,788

Finding the Fourth Proportional to 2,987,754.48, 4,123,449.76 and 1,698,788

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Solution

The fourth proportional to 2,987,754.48, 4,123,449.76 and 1,698,788 is: 2,344,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,754.48 : 4,123,449.76 = 1,698,788 : x
  2. Step 2: Convert to fraction form
    2,987,754.48/4,123,449.76 = 1,698,788/x
  3. Step 3: Cross multiply
    2,987,754.48x = 4,123,449.76 × 1,698,788
  4. Step 4: Simplify right side
    2,987,754.48x = 7,004,866,970,890.88
  5. Step 5: Solve for x
    x = 7,004,866,970,890.88/2,987,754.48
  6. Step 6: Final answer
    x = 2,344,525.64

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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.