Home / 3,462,423.42-4,778,391.72-1,913,651.78

Finding the Fourth Proportional to 3,462,423.42, 4,778,391.72 and 1,913,651.78

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Solution

The fourth proportional to 3,462,423.42, 4,778,391.72 and 1,913,651.78 is: 2,640,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,423.42 : 4,778,391.72 = 1,913,651.78 : x
  2. Step 2: Convert to fraction form
    3,462,423.42/4,778,391.72 = 1,913,651.78/x
  3. Step 3: Cross multiply
    3,462,423.42x = 4,778,391.72 × 1,913,651.78
  4. Step 4: Simplify right side
    3,462,423.42x = 9,144,177,814,531.51
  5. Step 5: Solve for x
    x = 9,144,177,814,531.51/3,462,423.42
  6. Step 6: Final answer
    x = 2,640,976.19

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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.