Home / 2,176,140.81-3,002,964.60-1,209,250.34

Finding the Fourth Proportional to 2,176,140.81, 3,002,964.60 and 1,209,250.34

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Solution

The fourth proportional to 2,176,140.81, 3,002,964.60 and 1,209,250.34 is: 1,668,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,140.81 : 3,002,964.60 = 1,209,250.34 : x
  2. Step 2: Convert to fraction form
    2,176,140.81/3,002,964.60 = 1,209,250.34/x
  3. Step 3: Cross multiply
    2,176,140.81x = 3,002,964.60 × 1,209,250.34
  4. Step 4: Simplify right side
    2,176,140.81x = 3,631,335,963,557.96
  5. Step 5: Solve for x
    x = 3,631,335,963,557.96/2,176,140.81
  6. Step 6: Final answer
    x = 1,668,704.50

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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.