Home / 2,148,259.28-2,963,758.75-1,229,997.67

Finding the Fourth Proportional to 2,148,259.28, 2,963,758.75 and 1,229,997.67

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Solution

The fourth proportional to 2,148,259.28, 2,963,758.75 and 1,229,997.67 is: 1,696,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,259.28 : 2,963,758.75 = 1,229,997.67 : x
  2. Step 2: Convert to fraction form
    2,148,259.28/2,963,758.75 = 1,229,997.67/x
  3. Step 3: Cross multiply
    2,148,259.28x = 2,963,758.75 × 1,229,997.67
  4. Step 4: Simplify right side
    2,148,259.28x = 3,645,416,356,942.11
  5. Step 5: Solve for x
    x = 3,645,416,356,942.11/2,148,259.28
  6. Step 6: Final answer
    x = 1,696,916.38

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Similar ratio
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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.