Home / 1,682,271.18-2,321,498.07-918,337.50

Finding the Fourth Proportional to 1,682,271.18, 2,321,498.07 and 918,337.50

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Solution

The fourth proportional to 1,682,271.18, 2,321,498.07 and 918,337.50 is: 1,267,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,271.18 : 2,321,498.07 = 918,337.50 : x
  2. Step 2: Convert to fraction form
    1,682,271.18/2,321,498.07 = 918,337.50/x
  3. Step 3: Cross multiply
    1,682,271.18x = 2,321,498.07 × 918,337.50
  4. Step 4: Simplify right side
    1,682,271.18x = 2,131,918,733,858.62
  5. Step 5: Solve for x
    x = 2,131,918,733,858.62/1,682,271.18
  6. Step 6: Final answer
    x = 1,267,286.01

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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.