Finding the Fourth Proportional to 3,679,316.29, 5,518,975.97 and 1,655,195.95
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Solution
The fourth proportional to 3,679,316.29, 5,518,975.97 and 1,655,195.95 is: 2,482,794.62
Step by Step Solution
- Step 1: Write the proportion equation
3,679,316.29 : 5,518,975.97 = 1,655,195.95 : x - Step 2: Convert to fraction form
3,679,316.29/5,518,975.97 = 1,655,195.95/x - Step 3: Cross multiply
3,679,316.29x = 5,518,975.97 × 1,655,195.95 - Step 4: Simplify right side
3,679,316.29x = 9,134,986,673,691.32 - Step 5: Solve for x
x = 9,134,986,673,691.32/3,679,316.29 - Step 6: Final answer
x = 2,482,794.62
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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.