Home / 3,914,742.15-5,402,332.49-2,172,673.94

Finding the Fourth Proportional to 3,914,742.15, 5,402,332.49 and 2,172,673.94

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Solution

The fourth proportional to 3,914,742.15, 5,402,332.49 and 2,172,673.94 is: 2,998,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,742.15 : 5,402,332.49 = 2,172,673.94 : x
  2. Step 2: Convert to fraction form
    3,914,742.15/5,402,332.49 = 2,172,673.94/x
  3. Step 3: Cross multiply
    3,914,742.15x = 5,402,332.49 × 2,172,673.94
  4. Step 4: Simplify right side
    3,914,742.15x = 11,737,506,984,473.93
  5. Step 5: Solve for x
    x = 11,737,506,984,473.93/3,914,742.15
  6. Step 6: Final answer
    x = 2,998,283.55

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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.