Home / 2,685,128.88-4,027,704.16-1,087,722.48

Finding the Fourth Proportional to 2,685,128.88, 4,027,704.16 and 1,087,722.48

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Solution

The fourth proportional to 2,685,128.88, 4,027,704.16 and 1,087,722.48 is: 1,631,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,128.88 : 4,027,704.16 = 1,087,722.48 : x
  2. Step 2: Convert to fraction form
    2,685,128.88/4,027,704.16 = 1,087,722.48/x
  3. Step 3: Cross multiply
    2,685,128.88x = 4,027,704.16 × 1,087,722.48
  4. Step 4: Simplify right side
    2,685,128.88x = 4,381,024,357,621.52
  5. Step 5: Solve for x
    x = 4,381,024,357,621.52/2,685,128.88
  6. Step 6: Final answer
    x = 1,631,588.11

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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.