Home / 2,217,206.40-3,325,809.60-868,920.90

Finding the Fourth Proportional to 2,217,206.40, 3,325,809.60 and 868,920.90

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Solution

The fourth proportional to 2,217,206.40, 3,325,809.60 and 868,920.90 is: 1,303,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,206.40 : 3,325,809.60 = 868,920.90 : x
  2. Step 2: Convert to fraction form
    2,217,206.40/3,325,809.60 = 868,920.90/x
  3. Step 3: Cross multiply
    2,217,206.40x = 3,325,809.60 × 868,920.90
  4. Step 4: Simplify right side
    2,217,206.40x = 2,889,865,470,860.64
  5. Step 5: Solve for x
    x = 2,889,865,470,860.64/2,217,206.40
  6. Step 6: Final answer
    x = 1,303,381.35

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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.