Home / 5,353,345.20-7,387,418.88-2,905,902.56

Finding the Fourth Proportional to 5,353,345.20, 7,387,418.88 and 2,905,902.56

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Solution

The fourth proportional to 5,353,345.20, 7,387,418.88 and 2,905,902.56 is: 4,010,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,345.20 : 7,387,418.88 = 2,905,902.56 : x
  2. Step 2: Convert to fraction form
    5,353,345.20/7,387,418.88 = 2,905,902.56/x
  3. Step 3: Cross multiply
    5,353,345.20x = 7,387,418.88 × 2,905,902.56
  4. Step 4: Simplify right side
    5,353,345.20x = 21,467,119,435,184.33
  5. Step 5: Solve for x
    x = 21,467,119,435,184.33/5,353,345.20
  6. Step 6: Final answer
    x = 4,010,038.33

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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.