Home / 3,948,916.13-5,918,896.31-1,814,590.02

Finding the Fourth Proportional to 3,948,916.13, 5,918,896.31 and 1,814,590.02

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Solution

The fourth proportional to 3,948,916.13, 5,918,896.31 and 1,814,590.02 is: 2,719,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,916.13 : 5,918,896.31 = 1,814,590.02 : x
  2. Step 2: Convert to fraction form
    3,948,916.13/5,918,896.31 = 1,814,590.02/x
  3. Step 3: Cross multiply
    3,948,916.13x = 5,918,896.31 × 1,814,590.02
  4. Step 4: Simplify right side
    3,948,916.13x = 10,740,370,164,467.88
  5. Step 5: Solve for x
    x = 10,740,370,164,467.88/3,948,916.13
  6. Step 6: Final answer
    x = 2,719,827.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.