Home / 1,950,869.69-2,692,304.75-1,091,378.69

Finding the Fourth Proportional to 1,950,869.69, 2,692,304.75 and 1,091,378.69

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Solution

The fourth proportional to 1,950,869.69, 2,692,304.75 and 1,091,378.69 is: 1,506,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,869.69 : 2,692,304.75 = 1,091,378.69 : x
  2. Step 2: Convert to fraction form
    1,950,869.69/2,692,304.75 = 1,091,378.69/x
  3. Step 3: Cross multiply
    1,950,869.69x = 2,692,304.75 × 1,091,378.69
  4. Step 4: Simplify right side
    1,950,869.69x = 2,938,324,020,402.70
  5. Step 5: Solve for x
    x = 2,938,324,020,402.70/1,950,869.69
  6. Step 6: Final answer
    x = 1,506,161.09

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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.