Home / 2,847,871.42-3,929,911.76-1,558,462.70

Finding the Fourth Proportional to 2,847,871.42, 3,929,911.76 and 1,558,462.70

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Solution

The fourth proportional to 2,847,871.42, 3,929,911.76 and 1,558,462.70 is: 2,150,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,871.42 : 3,929,911.76 = 1,558,462.70 : x
  2. Step 2: Convert to fraction form
    2,847,871.42/3,929,911.76 = 1,558,462.70/x
  3. Step 3: Cross multiply
    2,847,871.42x = 3,929,911.76 × 1,558,462.70
  4. Step 4: Simplify right side
    2,847,871.42x = 6,124,620,892,251.35
  5. Step 5: Solve for x
    x = 6,124,620,892,251.35/2,847,871.42
  6. Step 6: Final answer
    x = 2,150,596.00

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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.