Finding the Fourth Proportional to 4,578,774.40, 6,318,733.08 and 2,860,891.12
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Solution
The fourth proportional to 4,578,774.40, 6,318,733.08 and 2,860,891.12 is: 3,948,045.00
Step by Step Solution
- Step 1: Write the proportion equation
4,578,774.40 : 6,318,733.08 = 2,860,891.12 : x - Step 2: Convert to fraction form
4,578,774.40/6,318,733.08 = 2,860,891.12/x - Step 3: Cross multiply
4,578,774.40x = 6,318,733.08 × 2,860,891.12 - Step 4: Simplify right side
4,578,774.40x = 18,077,207,358,222.25 - Step 5: Solve for x
x = 18,077,207,358,222.25/4,578,774.40 - Step 6: Final answer
x = 3,948,045.00
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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.