Home / 4,090,709.72-5,645,222.91-2,255,233.69

Finding the Fourth Proportional to 4,090,709.72, 5,645,222.91 and 2,255,233.69

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Solution

The fourth proportional to 4,090,709.72, 5,645,222.91 and 2,255,233.69 is: 3,112,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,709.72 : 5,645,222.91 = 2,255,233.69 : x
  2. Step 2: Convert to fraction form
    4,090,709.72/5,645,222.91 = 2,255,233.69/x
  3. Step 3: Cross multiply
    4,090,709.72x = 5,645,222.91 × 2,255,233.69
  4. Step 4: Simplify right side
    4,090,709.72x = 12,731,296,901,248.37
  5. Step 5: Solve for x
    x = 12,731,296,901,248.37/4,090,709.72
  6. Step 6: Final answer
    x = 3,112,246.47

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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.