Finding the Fourth Proportional to 3,417,425.08, 4,715,994.72 and 1,868,691.70
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Solution
The fourth proportional to 3,417,425.08, 4,715,994.72 and 1,868,691.70 is: 2,578,766.17
Step by Step Solution
- Step 1: Write the proportion equation
3,417,425.08 : 4,715,994.72 = 1,868,691.70 : x - Step 2: Convert to fraction form
3,417,425.08/4,715,994.72 = 1,868,691.70/x - Step 3: Cross multiply
3,417,425.08x = 4,715,994.72 × 1,868,691.70 - Step 4: Simplify right side
3,417,425.08x = 8,812,740,190,507.82 - Step 5: Solve for x
x = 8,812,740,190,507.82/3,417,425.08 - Step 6: Final answer
x = 2,578,766.17
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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.