Home / 1,638,600.30-2,451,995.55-1,107,159.30

Finding the Fourth Proportional to 1,638,600.30, 2,451,995.55 and 1,107,159.30

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Solution

The fourth proportional to 1,638,600.30, 2,451,995.55 and 1,107,159.30 is: 1,656,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,600.30 : 2,451,995.55 = 1,107,159.30 : x
  2. Step 2: Convert to fraction form
    1,638,600.30/2,451,995.55 = 1,107,159.30/x
  3. Step 3: Cross multiply
    1,638,600.30x = 2,451,995.55 × 1,107,159.30
  4. Step 4: Simplify right side
    1,638,600.30x = 2,714,749,676,741.11
  5. Step 5: Solve for x
    x = 2,714,749,676,741.11/1,638,600.30
  6. Step 6: Final answer
    x = 1,656,749.16

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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.