Home / 1,923,057.64-2,650,874.34-1,438,889.32

Finding the Fourth Proportional to 1,923,057.64, 2,650,874.34 and 1,438,889.32

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Solution

The fourth proportional to 1,923,057.64, 2,650,874.34 and 1,438,889.32 is: 1,983,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,057.64 : 2,650,874.34 = 1,438,889.32 : x
  2. Step 2: Convert to fraction form
    1,923,057.64/2,650,874.34 = 1,438,889.32/x
  3. Step 3: Cross multiply
    1,923,057.64x = 2,650,874.34 × 1,438,889.32
  4. Step 4: Simplify right side
    1,923,057.64x = 3,814,314,776,488.05
  5. Step 5: Solve for x
    x = 3,814,314,776,488.05/1,923,057.64
  6. Step 6: Final answer
    x = 1,983,463.57

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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.