Home / 2,208,918.40-3,311,044.80-1,260,246.40

Finding the Fourth Proportional to 2,208,918.40, 3,311,044.80 and 1,260,246.40

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Solution

The fourth proportional to 2,208,918.40, 3,311,044.80 and 1,260,246.40 is: 1,889,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,918.40 : 3,311,044.80 = 1,260,246.40 : x
  2. Step 2: Convert to fraction form
    2,208,918.40/3,311,044.80 = 1,260,246.40/x
  3. Step 3: Cross multiply
    2,208,918.40x = 3,311,044.80 × 1,260,246.40
  4. Step 4: Simplify right side
    2,208,918.40x = 4,172,732,289,438.72
  5. Step 5: Solve for x
    x = 4,172,732,289,438.72/2,208,918.40
  6. Step 6: Final answer
    x = 1,889,038.68

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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.