Home / 3,209,220.95-4,428,070.39-1,901,896.75

Finding the Fourth Proportional to 3,209,220.95, 4,428,070.39 and 1,901,896.75

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Solution

The fourth proportional to 3,209,220.95, 4,428,070.39 and 1,901,896.75 is: 2,624,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,220.95 : 4,428,070.39 = 1,901,896.75 : x
  2. Step 2: Convert to fraction form
    3,209,220.95/4,428,070.39 = 1,901,896.75/x
  3. Step 3: Cross multiply
    3,209,220.95x = 4,428,070.39 × 1,901,896.75
  4. Step 4: Simplify right side
    3,209,220.95x = 8,421,732,683,512.23
  5. Step 5: Solve for x
    x = 8,421,732,683,512.23/3,209,220.95
  6. Step 6: Final answer
    x = 2,624,229.62

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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.