Home / 2,658,847.01-3,987,433.95-861,313.44

Finding the Fourth Proportional to 2,658,847.01, 3,987,433.95 and 861,313.44

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Solution

The fourth proportional to 2,658,847.01, 3,987,433.95 and 861,313.44 is: 1,291,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,847.01 : 3,987,433.95 = 861,313.44 : x
  2. Step 2: Convert to fraction form
    2,658,847.01/3,987,433.95 = 861,313.44/x
  3. Step 3: Cross multiply
    2,658,847.01x = 3,987,433.95 × 861,313.44
  4. Step 4: Simplify right side
    2,658,847.01x = 3,434,430,460,022.91
  5. Step 5: Solve for x
    x = 3,434,430,460,022.91/2,658,847.01
  6. Step 6: Final answer
    x = 1,291,699.16

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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.