Finding the Fourth Proportional to 3,013,518.75, 4,158,689.33 and 1,773,403.18
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Solution
The fourth proportional to 3,013,518.75, 4,158,689.33 and 1,773,403.18 is: 2,447,316.08
Step by Step Solution
- Step 1: Write the proportion equation
3,013,518.75 : 4,158,689.33 = 1,773,403.18 : x - Step 2: Convert to fraction form
3,013,518.75/4,158,689.33 = 1,773,403.18/x - Step 3: Cross multiply
3,013,518.75x = 4,158,689.33 × 1,773,403.18 - Step 4: Simplify right side
3,013,518.75x = 7,375,032,882,454.07 - Step 5: Solve for x
x = 7,375,032,882,454.07/3,013,518.75 - Step 6: Final answer
x = 2,447,316.08
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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.