Home / 1,461,436.44-2,016,643.80-816,841.92

Finding the Fourth Proportional to 1,461,436.44, 2,016,643.80 and 816,841.92

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Solution

The fourth proportional to 1,461,436.44, 2,016,643.80 and 816,841.92 is: 1,127,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,436.44 : 2,016,643.80 = 816,841.92 : x
  2. Step 2: Convert to fraction form
    1,461,436.44/2,016,643.80 = 816,841.92/x
  3. Step 3: Cross multiply
    1,461,436.44x = 2,016,643.80 × 816,841.92
  4. Step 4: Simplify right side
    1,461,436.44x = 1,647,279,193,548.10
  5. Step 5: Solve for x
    x = 1,647,279,193,548.10/1,461,436.44
  6. Step 6: Final answer
    x = 1,127,164.44

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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.