Home / 2,949,148.99-4,070,489.42-1,929,963.25

Finding the Fourth Proportional to 2,949,148.99, 4,070,489.42 and 1,929,963.25

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Solution

The fourth proportional to 2,949,148.99, 4,070,489.42 and 1,929,963.25 is: 2,663,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,148.99 : 4,070,489.42 = 1,929,963.25 : x
  2. Step 2: Convert to fraction form
    2,949,148.99/4,070,489.42 = 1,929,963.25/x
  3. Step 3: Cross multiply
    2,949,148.99x = 4,070,489.42 × 1,929,963.25
  4. Step 4: Simplify right side
    2,949,148.99x = 7,855,894,980,464.00
  5. Step 5: Solve for x
    x = 7,855,894,980,464.00/2,949,148.99
  6. Step 6: Final answer
    x = 2,663,783.69

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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.