Home / 1,531,067.67-2,112,304.23-1,528,705.71

Finding the Fourth Proportional to 1,531,067.67, 2,112,304.23 and 1,528,705.71

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Solution

The fourth proportional to 1,531,067.67, 2,112,304.23 and 1,528,705.71 is: 2,109,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,067.67 : 2,112,304.23 = 1,528,705.71 : x
  2. Step 2: Convert to fraction form
    1,531,067.67/2,112,304.23 = 1,528,705.71/x
  3. Step 3: Cross multiply
    1,531,067.67x = 2,112,304.23 × 1,528,705.71
  4. Step 4: Simplify right side
    1,531,067.67x = 3,229,091,537,658.15
  5. Step 5: Solve for x
    x = 3,229,091,537,658.15/1,531,067.67
  6. Step 6: Final answer
    x = 2,109,045.60

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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.