Home / 1,868,473.52-2,578,493.43-1,009,033.75

Finding the Fourth Proportional to 1,868,473.52, 2,578,493.43 and 1,009,033.75

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Solution

The fourth proportional to 1,868,473.52, 2,578,493.43 and 1,009,033.75 is: 1,392,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,473.52 : 2,578,493.43 = 1,009,033.75 : x
  2. Step 2: Convert to fraction form
    1,868,473.52/2,578,493.43 = 1,009,033.75/x
  3. Step 3: Cross multiply
    1,868,473.52x = 2,578,493.43 × 1,009,033.75
  4. Step 4: Simplify right side
    1,868,473.52x = 2,601,786,905,918.96
  5. Step 5: Solve for x
    x = 2,601,786,905,918.96/1,868,473.52
  6. Step 6: Final answer
    x = 1,392,466.57

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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.