Home / 2,988,651-4,124,339.34-1,915,563

Finding the Fourth Proportional to 2,988,651, 4,124,339.34 and 1,915,563

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Solution

The fourth proportional to 2,988,651, 4,124,339.34 and 1,915,563 is: 2,643,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,651 : 4,124,339.34 = 1,915,563 : x
  2. Step 2: Convert to fraction form
    2,988,651/4,124,339.34 = 1,915,563/x
  3. Step 3: Cross multiply
    2,988,651x = 4,124,339.34 × 1,915,563
  4. Step 4: Simplify right side
    2,988,651x = 7,900,431,839,148.42
  5. Step 5: Solve for x
    x = 7,900,431,839,148.42/2,988,651
  6. Step 6: Final answer
    x = 2,643,477.56

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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.