Home / 5,367,628.60-7,407,386.22-2,920,253.56

Finding the Fourth Proportional to 5,367,628.60, 7,407,386.22 and 2,920,253.56

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Solution

The fourth proportional to 5,367,628.60, 7,407,386.22 and 2,920,253.56 is: 4,029,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367,628.60 : 7,407,386.22 = 2,920,253.56 : x
  2. Step 2: Convert to fraction form
    5,367,628.60/7,407,386.22 = 2,920,253.56/x
  3. Step 3: Cross multiply
    5,367,628.60x = 7,407,386.22 × 2,920,253.56
  4. Step 4: Simplify right side
    5,367,628.60x = 21,631,445,979,249.94
  5. Step 5: Solve for x
    x = 21,631,445,979,249.94/5,367,628.60
  6. Step 6: Final answer
    x = 4,029,981.88

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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.