Home / 5,230,468.08-7,218,018.54-2,938,608.72

Finding the Fourth Proportional to 5,230,468.08, 7,218,018.54 and 2,938,608.72

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Solution

The fourth proportional to 5,230,468.08, 7,218,018.54 and 2,938,608.72 is: 4,055,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,468.08 : 7,218,018.54 = 2,938,608.72 : x
  2. Step 2: Convert to fraction form
    5,230,468.08/7,218,018.54 = 2,938,608.72/x
  3. Step 3: Cross multiply
    5,230,468.08x = 7,218,018.54 × 2,938,608.72
  4. Step 4: Simplify right side
    5,230,468.08x = 21,210,932,222,765.67
  5. Step 5: Solve for x
    x = 21,210,932,222,765.67/5,230,468.08
  6. Step 6: Final answer
    x = 4,055,264.63

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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.