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Finding the Fourth Proportional to 1,945,602.44, 2,684,957.91 and 1,074,495.88

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Solution

The fourth proportional to 1,945,602.44, 2,684,957.91 and 1,074,495.88 is: 1,482,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,602.44 : 2,684,957.91 = 1,074,495.88 : x
  2. Step 2: Convert to fraction form
    1,945,602.44/2,684,957.91 = 1,074,495.88/x
  3. Step 3: Cross multiply
    1,945,602.44x = 2,684,957.91 × 1,074,495.88
  4. Step 4: Simplify right side
    1,945,602.44x = 2,884,976,206,895.93
  5. Step 5: Solve for x
    x = 2,884,976,206,895.93/1,945,602.44
  6. Step 6: Final answer
    x = 1,482,818.97

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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.