Home / 5,420,386.70-7,480,348.92-2,973,087.22

Finding the Fourth Proportional to 5,420,386.70, 7,480,348.92 and 2,973,087.22

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Solution

The fourth proportional to 5,420,386.70, 7,480,348.92 and 2,973,087.22 is: 4,102,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,386.70 : 7,480,348.92 = 2,973,087.22 : x
  2. Step 2: Convert to fraction form
    5,420,386.70/7,480,348.92 = 2,973,087.22/x
  3. Step 3: Cross multiply
    5,420,386.70x = 7,480,348.92 × 2,973,087.22
  4. Step 4: Simplify right side
    5,420,386.70x = 22,239,729,775,192.80
  5. Step 5: Solve for x
    x = 22,239,729,775,192.80/5,420,386.70
  6. Step 6: Final answer
    x = 4,102,978.44

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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.