Home / 2,949,148.37-4,070,488.55-1,929,962.63

Finding the Fourth Proportional to 2,949,148.37, 4,070,488.55 and 1,929,962.63

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Solution

The fourth proportional to 2,949,148.37, 4,070,488.55 and 1,929,962.63 is: 2,663,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,148.37 : 4,070,488.55 = 1,929,962.63 : x
  2. Step 2: Convert to fraction form
    2,949,148.37/4,070,488.55 = 1,929,962.63/x
  3. Step 3: Cross multiply
    2,949,148.37x = 4,070,488.55 × 1,929,962.63
  4. Step 4: Simplify right side
    2,949,148.37x = 7,855,890,771,815.35
  5. Step 5: Solve for x
    x = 7,855,890,771,815.35/2,949,148.37
  6. Step 6: Final answer
    x = 2,663,782.83

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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.