Finding the Fourth Proportional to 5,471,479.13, 8,207,385.35 and 1,877,195.66
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Solution
The fourth proportional to 5,471,479.13, 8,207,385.35 and 1,877,195.66 is: 2,815,850.66
Step by Step Solution
- Step 1: Write the proportion equation
5,471,479.13 : 8,207,385.35 = 1,877,195.66 : x - Step 2: Convert to fraction form
5,471,479.13/8,207,385.35 = 1,877,195.66/x - Step 3: Cross multiply
5,471,479.13x = 8,207,385.35 × 1,877,195.66 - Step 4: Simplify right side
5,471,479.13x = 15,406,868,108,544.68 - Step 5: Solve for x
x = 15,406,868,108,544.68/5,471,479.13 - Step 6: Final answer
x = 2,815,850.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.