Home / 3,258,579.80-4,887,869.70-3,208,813.40

Finding the Fourth Proportional to 3,258,579.80, 4,887,869.70 and 3,208,813.40

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Solution

The fourth proportional to 3,258,579.80, 4,887,869.70 and 3,208,813.40 is: 4,813,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,579.80 : 4,887,869.70 = 3,208,813.40 : x
  2. Step 2: Convert to fraction form
    3,258,579.80/4,887,869.70 = 3,208,813.40/x
  3. Step 3: Cross multiply
    3,258,579.80x = 4,887,869.70 × 3,208,813.40
  4. Step 4: Simplify right side
    3,258,579.80x = 15,684,261,790,813.98
  5. Step 5: Solve for x
    x = 15,684,261,790,813.98/3,258,579.80
  6. Step 6: Final answer
    x = 4,813,220.10

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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.