Home / 2,917,642.32-4,372,782.10-1,478,687.28

Finding the Fourth Proportional to 2,917,642.32, 4,372,782.10 and 1,478,687.28

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Solution

The fourth proportional to 2,917,642.32, 4,372,782.10 and 1,478,687.28 is: 2,216,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,642.32 : 4,372,782.10 = 1,478,687.28 : x
  2. Step 2: Convert to fraction form
    2,917,642.32/4,372,782.10 = 1,478,687.28/x
  3. Step 3: Cross multiply
    2,917,642.32x = 4,372,782.10 × 1,478,687.28
  4. Step 4: Simplify right side
    2,917,642.32x = 6,465,977,269,481.69
  5. Step 5: Solve for x
    x = 6,465,977,269,481.69/2,917,642.32
  6. Step 6: Final answer
    x = 2,216,165.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.