Home / 3,418,043.40-4,717,479.89-1,968,578.00

Finding the Fourth Proportional to 3,418,043.40, 4,717,479.89 and 1,968,578.00

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Solution

The fourth proportional to 3,418,043.40, 4,717,479.89 and 1,968,578.00 is: 2,716,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,043.40 : 4,717,479.89 = 1,968,578.00 : x
  2. Step 2: Convert to fraction form
    3,418,043.40/4,717,479.89 = 1,968,578.00/x
  3. Step 3: Cross multiply
    3,418,043.40x = 4,717,479.89 × 1,968,578.00
  4. Step 4: Simplify right side
    3,418,043.40x = 9,286,727,125,921.02
  5. Step 5: Solve for x
    x = 9,286,727,125,921.02/3,418,043.40
  6. Step 6: Final answer
    x = 2,716,971.68

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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.