Home / 1,845,031.20-2,768,713.20-1,086,871.20

Finding the Fourth Proportional to 1,845,031.20, 2,768,713.20 and 1,086,871.20

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Solution

The fourth proportional to 1,845,031.20, 2,768,713.20 and 1,086,871.20 is: 1,630,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,031.20 : 2,768,713.20 = 1,086,871.20 : x
  2. Step 2: Convert to fraction form
    1,845,031.20/2,768,713.20 = 1,086,871.20/x
  3. Step 3: Cross multiply
    1,845,031.20x = 2,768,713.20 × 1,086,871.20
  4. Step 4: Simplify right side
    1,845,031.20x = 3,009,234,638,139.84
  5. Step 5: Solve for x
    x = 3,009,234,638,139.84/1,845,031.20
  6. Step 6: Final answer
    x = 1,630,993.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.