Home / 2,072,338-3,108,364.40-1,273,742.80

Finding the Fourth Proportional to 2,072,338, 3,108,364.40 and 1,273,742.80

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Solution

The fourth proportional to 2,072,338, 3,108,364.40 and 1,273,742.80 is: 1,910,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,338 : 3,108,364.40 = 1,273,742.80 : x
  2. Step 2: Convert to fraction form
    2,072,338/3,108,364.40 = 1,273,742.80/x
  3. Step 3: Cross multiply
    2,072,338x = 3,108,364.40 × 1,273,742.80
  4. Step 4: Simplify right side
    2,072,338x = 3,959,256,774,276.32
  5. Step 5: Solve for x
    x = 3,959,256,774,276.32/2,072,338
  6. Step 6: Final answer
    x = 1,910,526.55

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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.