Home / 3,418,274.12-4,717,206.62-1,890,348.44

Finding the Fourth Proportional to 3,418,274.12, 4,717,206.62 and 1,890,348.44

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Solution

The fourth proportional to 3,418,274.12, 4,717,206.62 and 1,890,348.44 is: 2,608,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,274.12 : 4,717,206.62 = 1,890,348.44 : x
  2. Step 2: Convert to fraction form
    3,418,274.12/4,717,206.62 = 1,890,348.44/x
  3. Step 3: Cross multiply
    3,418,274.12x = 4,717,206.62 × 1,890,348.44
  4. Step 4: Simplify right side
    3,418,274.12x = 8,917,164,175,274.67
  5. Step 5: Solve for x
    x = 8,917,164,175,274.67/3,418,274.12
  6. Step 6: Final answer
    x = 2,608,674.40

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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.