Finding the Fourth Proportional to 1,690,363.16, 2,536,377.16 and 791,649.68
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Solution
The fourth proportional to 1,690,363.16, 2,536,377.16 and 791,649.68 is: 1,187,864.37
Step by Step Solution
- Step 1: Write the proportion equation
1,690,363.16 : 2,536,377.16 = 791,649.68 : x - Step 2: Convert to fraction form
1,690,363.16/2,536,377.16 = 791,649.68/x - Step 3: Cross multiply
1,690,363.16x = 2,536,377.16 × 791,649.68 - Step 4: Simplify right side
1,690,363.16x = 2,007,922,172,245.75 - Step 5: Solve for x
x = 2,007,922,172,245.75/1,690,363.16 - Step 6: Final answer
x = 1,187,864.37
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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.