Home / 2,987,756.48-4,123,452.52-1,698,790

Finding the Fourth Proportional to 2,987,756.48, 4,123,452.52 and 1,698,790

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Solution

The fourth proportional to 2,987,756.48, 4,123,452.52 and 1,698,790 is: 2,344,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,756.48 : 4,123,452.52 = 1,698,790 : x
  2. Step 2: Convert to fraction form
    2,987,756.48/4,123,452.52 = 1,698,790/x
  3. Step 3: Cross multiply
    2,987,756.48x = 4,123,452.52 × 1,698,790
  4. Step 4: Simplify right side
    2,987,756.48x = 7,004,879,906,450.80
  5. Step 5: Solve for x
    x = 7,004,879,906,450.80/2,987,756.48
  6. Step 6: Final answer
    x = 2,344,528.40

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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.