Home / 3,178,945.35-4,398,496.55-2,771,895.44

Finding the Fourth Proportional to 3,178,945.35, 4,398,496.55 and 2,771,895.44

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Solution

The fourth proportional to 3,178,945.35, 4,398,496.55 and 2,771,895.44 is: 3,835,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,945.35 : 4,398,496.55 = 2,771,895.44 : x
  2. Step 2: Convert to fraction form
    3,178,945.35/4,398,496.55 = 2,771,895.44/x
  3. Step 3: Cross multiply
    3,178,945.35x = 4,398,496.55 × 2,771,895.44
  4. Step 4: Simplify right side
    3,178,945.35x = 12,192,172,547,726.71
  5. Step 5: Solve for x
    x = 12,192,172,547,726.71/3,178,945.35
  6. Step 6: Final answer
    x = 3,835,288.50

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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.