Home / 3,209,201.58-4,428,043.69-1,901,877.38

Finding the Fourth Proportional to 3,209,201.58, 4,428,043.69 and 1,901,877.38

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Solution

The fourth proportional to 3,209,201.58, 4,428,043.69 and 1,901,877.38 is: 2,624,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,201.58 : 4,428,043.69 = 1,901,877.38 : x
  2. Step 2: Convert to fraction form
    3,209,201.58/4,428,043.69 = 1,901,877.38/x
  3. Step 3: Cross multiply
    3,209,201.58x = 4,428,043.69 × 1,901,877.38
  4. Step 4: Simplify right side
    3,209,201.58x = 8,421,596,124,939.00
  5. Step 5: Solve for x
    x = 8,421,596,124,939.00/3,209,201.58
  6. Step 6: Final answer
    x = 2,624,202.91

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1.5x scale

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.