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Finding the Fourth Proportional to 1,629,829.34, 2,249,306.82 and 950,984.54

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Solution

The fourth proportional to 1,629,829.34, 2,249,306.82 and 950,984.54 is: 1,312,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,829.34 : 2,249,306.82 = 950,984.54 : x
  2. Step 2: Convert to fraction form
    1,629,829.34/2,249,306.82 = 950,984.54/x
  3. Step 3: Cross multiply
    1,629,829.34x = 2,249,306.82 × 950,984.54
  4. Step 4: Simplify right side
    1,629,829.34x = 2,139,056,011,536.56
  5. Step 5: Solve for x
    x = 2,139,056,011,536.56/1,629,829.34
  6. Step 6: Final answer
    x = 1,312,441.71

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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.