Finding the Fourth Proportional to 2,891,781.68, 4,333,110.12 and 1,067,638.19
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Solution
The fourth proportional to 2,891,781.68, 4,333,110.12 and 1,067,638.19 is: 1,599,772.85
Step by Step Solution
- Step 1: Write the proportion equation
2,891,781.68 : 4,333,110.12 = 1,067,638.19 : x - Step 2: Convert to fraction form
2,891,781.68/4,333,110.12 = 1,067,638.19/x - Step 3: Cross multiply
2,891,781.68x = 4,333,110.12 × 1,067,638.19 - Step 4: Simplify right side
2,891,781.68x = 4,626,193,823,921.93 - Step 5: Solve for x
x = 4,626,193,823,921.93/2,891,781.68 - Step 6: Final answer
x = 1,599,772.85
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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.