Home / 2,949,148.24-4,070,488.38-1,929,962.50

Finding the Fourth Proportional to 2,949,148.24, 4,070,488.38 and 1,929,962.50

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Solution

The fourth proportional to 2,949,148.24, 4,070,488.38 and 1,929,962.50 is: 2,663,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,148.24 : 4,070,488.38 = 1,929,962.50 : x
  2. Step 2: Convert to fraction form
    2,949,148.24/4,070,488.38 = 1,929,962.50/x
  3. Step 3: Cross multiply
    2,949,148.24x = 4,070,488.38 × 1,929,962.50
  4. Step 4: Simplify right side
    2,949,148.24x = 7,855,889,930,085.75
  5. Step 5: Solve for x
    x = 7,855,889,930,085.75/2,949,148.24
  6. Step 6: Final answer
    x = 2,663,782.66

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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.