Home / 3,118,401-4,303,393.42-1,687,617

Finding the Fourth Proportional to 3,118,401, 4,303,393.42 and 1,687,617

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Solution

The fourth proportional to 3,118,401, 4,303,393.42 and 1,687,617 is: 2,328,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,401 : 4,303,393.42 = 1,687,617 : x
  2. Step 2: Convert to fraction form
    3,118,401/4,303,393.42 = 1,687,617/x
  3. Step 3: Cross multiply
    3,118,401x = 4,303,393.42 × 1,687,617
  4. Step 4: Simplify right side
    3,118,401x = 7,262,479,893,280.14
  5. Step 5: Solve for x
    x = 7,262,479,893,280.14/3,118,401
  6. Step 6: Final answer
    x = 2,328,911.48

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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.