Home / 1,557,191.98-2,148,558.18-945,329.32

Finding the Fourth Proportional to 1,557,191.98, 2,148,558.18 and 945,329.32

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Solution

The fourth proportional to 1,557,191.98, 2,148,558.18 and 945,329.32 is: 1,304,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,191.98 : 2,148,558.18 = 945,329.32 : x
  2. Step 2: Convert to fraction form
    1,557,191.98/2,148,558.18 = 945,329.32/x
  3. Step 3: Cross multiply
    1,557,191.98x = 2,148,558.18 × 945,329.32
  4. Step 4: Simplify right side
    1,557,191.98x = 2,031,095,043,279.84
  5. Step 5: Solve for x
    x = 2,031,095,043,279.84/1,557,191.98
  6. Step 6: Final answer
    x = 1,304,331.82

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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.