Home / 2,778,198.40-4,164,964.80-1,448,502.40

Finding the Fourth Proportional to 2,778,198.40, 4,164,964.80 and 1,448,502.40

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Solution

The fourth proportional to 2,778,198.40, 4,164,964.80 and 1,448,502.40 is: 2,171,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,198.40 : 4,164,964.80 = 1,448,502.40 : x
  2. Step 2: Convert to fraction form
    2,778,198.40/4,164,964.80 = 1,448,502.40/x
  3. Step 3: Cross multiply
    2,778,198.40x = 4,164,964.80 × 1,448,502.40
  4. Step 4: Simplify right side
    2,778,198.40x = 6,032,961,508,715.52
  5. Step 5: Solve for x
    x = 6,032,961,508,715.52/2,778,198.40
  6. Step 6: Final answer
    x = 2,171,537.32

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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.