Home / 2,121,222.40-3,178,334.40-1,806,294.40

Finding the Fourth Proportional to 2,121,222.40, 3,178,334.40 and 1,806,294.40

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Solution

The fourth proportional to 2,121,222.40, 3,178,334.40 and 1,806,294.40 is: 2,706,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,222.40 : 3,178,334.40 = 1,806,294.40 : x
  2. Step 2: Convert to fraction form
    2,121,222.40/3,178,334.40 = 1,806,294.40/x
  3. Step 3: Cross multiply
    2,121,222.40x = 3,178,334.40 × 1,806,294.40
  4. Step 4: Simplify right side
    2,121,222.40x = 5,741,007,628,047.36
  5. Step 5: Solve for x
    x = 5,741,007,628,047.36/2,121,222.40
  6. Step 6: Final answer
    x = 2,706,461.91

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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.