Finding the Fourth Proportional to 6,438,588.20, 9,659,178.30 and 1,889,628.20
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Solution
The fourth proportional to 6,438,588.20, 9,659,178.30 and 1,889,628.20 is: 2,834,822.66
Step by Step Solution
- Step 1: Write the proportion equation
6,438,588.20 : 9,659,178.30 = 1,889,628.20 : x - Step 2: Convert to fraction form
6,438,588.20/9,659,178.30 = 1,889,628.20/x - Step 3: Cross multiply
6,438,588.20x = 9,659,178.30 × 1,889,628.20 - Step 4: Simplify right side
6,438,588.20x = 18,252,255,704,508.06 - Step 5: Solve for x
x = 18,252,255,704,508.06/6,438,588.20 - Step 6: Final answer
x = 2,834,822.66
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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.