Finding the Fourth Proportional to 6,247,909.68, 9,372,070.72 and 2,149,189.66
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Solution
The fourth proportional to 6,247,909.68, 9,372,070.72 and 2,149,189.66 is: 3,223,855.42
Step by Step Solution
- Step 1: Write the proportion equation
6,247,909.68 : 9,372,070.72 = 2,149,189.66 : x - Step 2: Convert to fraction form
6,247,909.68/9,372,070.72 = 2,149,189.66/x - Step 3: Cross multiply
6,247,909.68x = 9,372,070.72 × 2,149,189.66 - Step 4: Simplify right side
6,247,909.68x = 20,142,357,484,212.76 - Step 5: Solve for x
x = 20,142,357,484,212.76/6,247,909.68 - Step 6: Final answer
x = 3,223,855.42
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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.