Finding the Fourth Proportional to 5,373,469, 7,415,281.11 and 2,926,109.08
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Solution
The fourth proportional to 5,373,469, 7,415,281.11 and 2,926,109.08 is: 4,037,972.75
Step by Step Solution
- Step 1: Write the proportion equation
5,373,469 : 7,415,281.11 = 2,926,109.08 : x - Step 2: Convert to fraction form
5,373,469/7,415,281.11 = 2,926,109.08/x - Step 3: Cross multiply
5,373,469x = 7,415,281.11 × 2,926,109.08 - Step 4: Simplify right side
5,373,469x = 21,697,921,386,723.48 - Step 5: Solve for x
x = 21,697,921,386,723.48/5,373,469 - Step 6: Final answer
x = 4,037,972.75
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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.