Home / 2,134,684.43-3,196,895.85-1,221,097.08

Finding the Fourth Proportional to 2,134,684.43, 3,196,895.85 and 1,221,097.08

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Solution

The fourth proportional to 2,134,684.43, 3,196,895.85 and 1,221,097.08 is: 1,828,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,684.43 : 3,196,895.85 = 1,221,097.08 : x
  2. Step 2: Convert to fraction form
    2,134,684.43/3,196,895.85 = 1,221,097.08/x
  3. Step 3: Cross multiply
    2,134,684.43x = 3,196,895.85 × 1,221,097.08
  4. Step 4: Simplify right side
    2,134,684.43x = 3,903,720,187,499.12
  5. Step 5: Solve for x
    x = 3,903,720,187,499.12/2,134,684.43
  6. Step 6: Final answer
    x = 1,828,710.67

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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.