Home / 1,994,897.69-2,992,766.85-646,955.19

Finding the Fourth Proportional to 1,994,897.69, 2,992,766.85 and 646,955.19

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Solution

The fourth proportional to 1,994,897.69, 2,992,766.85 and 646,955.19 is: 970,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,897.69 : 2,992,766.85 = 646,955.19 : x
  2. Step 2: Convert to fraction form
    1,994,897.69/2,992,766.85 = 646,955.19/x
  3. Step 3: Cross multiply
    1,994,897.69x = 2,992,766.85 × 646,955.19
  4. Step 4: Simplify right side
    1,994,897.69x = 1,936,186,046,067.45
  5. Step 5: Solve for x
    x = 1,936,186,046,067.45/1,994,897.69
  6. Step 6: Final answer
    x = 970,569.10

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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.