Home / 4,042,420.32-5,578,526.83-2,206,901.19

Finding the Fourth Proportional to 4,042,420.32, 5,578,526.83 and 2,206,901.19

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Solution

The fourth proportional to 4,042,420.32, 5,578,526.83 and 2,206,901.19 is: 3,045,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,420.32 : 5,578,526.83 = 2,206,901.19 : x
  2. Step 2: Convert to fraction form
    4,042,420.32/5,578,526.83 = 2,206,901.19/x
  3. Step 3: Cross multiply
    4,042,420.32x = 5,578,526.83 × 2,206,901.19
  4. Step 4: Simplify right side
    4,042,420.32x = 12,311,257,499,573.93
  5. Step 5: Solve for x
    x = 12,311,257,499,573.93/4,042,420.32
  6. Step 6: Final answer
    x = 3,045,516.43

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Double scale
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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.