Home / 2,931,934.68-4,046,067.05-1,642,784.31

Finding the Fourth Proportional to 2,931,934.68, 4,046,067.05 and 1,642,784.31

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Solution

The fourth proportional to 2,931,934.68, 4,046,067.05 and 1,642,784.31 is: 2,267,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,934.68 : 4,046,067.05 = 1,642,784.31 : x
  2. Step 2: Convert to fraction form
    2,931,934.68/4,046,067.05 = 1,642,784.31/x
  3. Step 3: Cross multiply
    2,931,934.68x = 4,046,067.05 × 1,642,784.31
  4. Step 4: Simplify right side
    2,931,934.68x = 6,646,815,458,734.07
  5. Step 5: Solve for x
    x = 6,646,815,458,734.07/2,931,934.68
  6. Step 6: Final answer
    x = 2,267,040.77

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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.