Finding the Fourth Proportional to 6,645,545.96, 9,970,000.22 and 1,853,235.74
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Solution
The fourth proportional to 6,645,545.96, 9,970,000.22 and 1,853,235.74 is: 2,780,322.47
Step by Step Solution
- Step 1: Write the proportion equation
6,645,545.96 : 9,970,000.22 = 1,853,235.74 : x - Step 2: Convert to fraction form
6,645,545.96/9,970,000.22 = 1,853,235.74/x - Step 3: Cross multiply
6,645,545.96x = 9,970,000.22 × 1,853,235.74 - Step 4: Simplify right side
6,645,545.96x = 18,476,760,751,050.14 - Step 5: Solve for x
x = 18,476,760,751,050.14/6,645,545.96 - Step 6: Final answer
x = 2,780,322.47
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1.5x scale
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.