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Finding the Fourth Proportional to 2,803,513.28, 3,868,847.80 and 1,514,353.72

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Solution

The fourth proportional to 2,803,513.28, 3,868,847.80 and 1,514,353.72 is: 2,089,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,513.28 : 3,868,847.80 = 1,514,353.72 : x
  2. Step 2: Convert to fraction form
    2,803,513.28/3,868,847.80 = 1,514,353.72/x
  3. Step 3: Cross multiply
    2,803,513.28x = 3,868,847.80 × 1,514,353.72
  4. Step 4: Simplify right side
    2,803,513.28x = 5,858,804,058,043.82
  5. Step 5: Solve for x
    x = 5,858,804,058,043.82/2,803,513.28
  6. Step 6: Final answer
    x = 2,089,807.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.