Home / 1,943,133.28-2,681,558.40-1,083,601.24

Finding the Fourth Proportional to 1,943,133.28, 2,681,558.40 and 1,083,601.24

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Solution

The fourth proportional to 1,943,133.28, 2,681,558.40 and 1,083,601.24 is: 1,495,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,133.28 : 2,681,558.40 = 1,083,601.24 : x
  2. Step 2: Convert to fraction form
    1,943,133.28/2,681,558.40 = 1,083,601.24/x
  3. Step 3: Cross multiply
    1,943,133.28x = 2,681,558.40 × 1,083,601.24
  4. Step 4: Simplify right side
    1,943,133.28x = 2,905,740,007,372.42
  5. Step 5: Solve for x
    x = 2,905,740,007,372.42/1,943,133.28
  6. Step 6: Final answer
    x = 1,495,388.94

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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.