Home / 2,019,088.32-2,780,672.40-1,974,998.40

Finding the Fourth Proportional to 2,019,088.32, 2,780,672.40 and 1,974,998.40

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Solution

The fourth proportional to 2,019,088.32, 2,780,672.40 and 1,974,998.40 is: 2,719,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,088.32 : 2,780,672.40 = 1,974,998.40 : x
  2. Step 2: Convert to fraction form
    2,019,088.32/2,780,672.40 = 1,974,998.40/x
  3. Step 3: Cross multiply
    2,019,088.32x = 2,780,672.40 × 1,974,998.40
  4. Step 4: Simplify right side
    2,019,088.32x = 5,491,823,540,924.16
  5. Step 5: Solve for x
    x = 5,491,823,540,924.16/2,019,088.32
  6. Step 6: Final answer
    x = 2,719,952.11

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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.