Finding the Fourth Proportional to 3,908,195.12, 5,862,070.34 and 1,175,684.42
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Solution
The fourth proportional to 3,908,195.12, 5,862,070.34 and 1,175,684.42 is: 1,763,459.75
Step by Step Solution
- Step 1: Write the proportion equation
3,908,195.12 : 5,862,070.34 = 1,175,684.42 : x - Step 2: Convert to fraction form
3,908,195.12/5,862,070.34 = 1,175,684.42/x - Step 3: Cross multiply
3,908,195.12x = 5,862,070.34 × 1,175,684.42 - Step 4: Simplify right side
3,908,195.12x = 6,891,944,780,867.67 - Step 5: Solve for x
x = 6,891,944,780,867.67/3,908,195.12 - Step 6: Final answer
x = 1,763,459.75
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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.