Home / 2,847,345.30-3,929,336.55-1,558,186.20

Finding the Fourth Proportional to 2,847,345.30, 3,929,336.55 and 1,558,186.20

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Solution

The fourth proportional to 2,847,345.30, 3,929,336.55 and 1,558,186.20 is: 2,150,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,345.30 : 3,929,336.55 = 1,558,186.20 : x
  2. Step 2: Convert to fraction form
    2,847,345.30/3,929,336.55 = 1,558,186.20/x
  3. Step 3: Cross multiply
    2,847,345.30x = 3,929,336.55 × 1,558,186.20
  4. Step 4: Simplify right side
    2,847,345.30x = 6,122,637,987,365.61
  5. Step 5: Solve for x
    x = 6,122,637,987,365.61/2,847,345.30
  6. Step 6: Final answer
    x = 2,150,296.98

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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.