Home / 2,938,179.78-4,054,696.53-1,631,434.65

Finding the Fourth Proportional to 2,938,179.78, 4,054,696.53 and 1,631,434.65

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Solution

The fourth proportional to 2,938,179.78, 4,054,696.53 and 1,631,434.65 is: 2,251,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,179.78 : 4,054,696.53 = 1,631,434.65 : x
  2. Step 2: Convert to fraction form
    2,938,179.78/4,054,696.53 = 1,631,434.65/x
  3. Step 3: Cross multiply
    2,938,179.78x = 4,054,696.53 × 1,631,434.65
  4. Step 4: Simplify right side
    2,938,179.78x = 6,614,972,414,276.76
  5. Step 5: Solve for x
    x = 6,614,972,414,276.76/2,938,179.78
  6. Step 6: Final answer
    x = 2,251,384.50

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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.