Home / 3,218,712.52-4,439,975.62-2,009,389

Finding the Fourth Proportional to 3,218,712.52, 4,439,975.62 and 2,009,389

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Solution

The fourth proportional to 3,218,712.52, 4,439,975.62 and 2,009,389 is: 2,771,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,712.52 : 4,439,975.62 = 2,009,389 : x
  2. Step 2: Convert to fraction form
    3,218,712.52/4,439,975.62 = 2,009,389/x
  3. Step 3: Cross multiply
    3,218,712.52x = 4,439,975.62 × 2,009,389
  4. Step 4: Simplify right side
    3,218,712.52x = 8,921,638,171,096.18
  5. Step 5: Solve for x
    x = 8,921,638,171,096.18/3,218,712.52
  6. Step 6: Final answer
    x = 2,771,803.36

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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.