Home / 2,648,322.40-3,974,557.20-1,228,554.40

Finding the Fourth Proportional to 2,648,322.40, 3,974,557.20 and 1,228,554.40

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Solution

The fourth proportional to 2,648,322.40, 3,974,557.20 and 1,228,554.40 is: 1,843,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,322.40 : 3,974,557.20 = 1,228,554.40 : x
  2. Step 2: Convert to fraction form
    2,648,322.40/3,974,557.20 = 1,228,554.40/x
  3. Step 3: Cross multiply
    2,648,322.40x = 3,974,557.20 × 1,228,554.40
  4. Step 4: Simplify right side
    2,648,322.40x = 4,882,959,736,111.68
  5. Step 5: Solve for x
    x = 4,882,959,736,111.68/2,648,322.40
  6. Step 6: Final answer
    x = 1,843,793.54

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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.