Finding the Fourth Proportional to 6,609,898.08, 9,912,747.61 and 2,121,124.32
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Solution
The fourth proportional to 6,609,898.08, 9,912,747.61 and 2,121,124.32 is: 3,181,012.75
Step by Step Solution
- Step 1: Write the proportion equation
6,609,898.08 : 9,912,747.61 = 2,121,124.32 : x - Step 2: Convert to fraction form
6,609,898.08/9,912,747.61 = 2,121,124.32/x - Step 3: Cross multiply
6,609,898.08x = 9,912,747.61 × 2,121,124.32 - Step 4: Simplify right side
6,609,898.08x = 21,026,170,067,624.00 - Step 5: Solve for x
x = 21,026,170,067,624.00/6,609,898.08 - Step 6: Final answer
x = 3,181,012.75
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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.