Home / 3,218,701.59-4,439,960.49-2,009,378.07

Finding the Fourth Proportional to 3,218,701.59, 4,439,960.49 and 2,009,378.07

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Solution

The fourth proportional to 3,218,701.59, 4,439,960.49 and 2,009,378.07 is: 2,771,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,701.59 : 4,439,960.49 = 2,009,378.07 : x
  2. Step 2: Convert to fraction form
    3,218,701.59/4,439,960.49 = 2,009,378.07/x
  3. Step 3: Cross multiply
    3,218,701.59x = 4,439,960.49 × 2,009,378.07
  4. Step 4: Simplify right side
    3,218,701.59x = 8,921,559,240,272.46
  5. Step 5: Solve for x
    x = 8,921,559,240,272.46/3,218,701.59
  6. Step 6: Final answer
    x = 2,771,788.25

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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.