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Finding the Fourth Proportional to 1,994,899.77, 2,992,769.97 and 646,957.27

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Solution

The fourth proportional to 1,994,899.77, 2,992,769.97 and 646,957.27 is: 970,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,899.77 : 2,992,769.97 = 646,957.27 : x
  2. Step 2: Convert to fraction form
    1,994,899.77/2,992,769.97 = 646,957.27/x
  3. Step 3: Cross multiply
    1,994,899.77x = 2,992,769.97 × 646,957.27
  4. Step 4: Simplify right side
    1,994,899.77x = 1,936,194,295,393.71
  5. Step 5: Solve for x
    x = 1,936,194,295,393.71/1,994,899.77
  6. Step 6: Final answer
    x = 970,572.22

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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.