Home / 1,923,056.64-2,650,872.96-1,438,888.32

Finding the Fourth Proportional to 1,923,056.64, 2,650,872.96 and 1,438,888.32

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Solution

The fourth proportional to 1,923,056.64, 2,650,872.96 and 1,438,888.32 is: 1,983,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,056.64 : 2,650,872.96 = 1,438,888.32 : x
  2. Step 2: Convert to fraction form
    1,923,056.64/2,650,872.96 = 1,438,888.32/x
  3. Step 3: Cross multiply
    1,923,056.64x = 2,650,872.96 × 1,438,888.32
  4. Step 4: Simplify right side
    1,923,056.64x = 3,814,310,139,947.83
  5. Step 5: Solve for x
    x = 3,814,310,139,947.83/1,923,056.64
  6. Step 6: Final answer
    x = 1,983,462.19

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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.