Finding the Fourth Proportional to 2,191,557.92, 3,024,414.50 and 1,224,690.48
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Solution
The fourth proportional to 2,191,557.92, 3,024,414.50 and 1,224,690.48 is: 1,690,108.95
Step by Step Solution
- Step 1: Write the proportion equation
2,191,557.92 : 3,024,414.50 = 1,224,690.48 : x - Step 2: Convert to fraction form
2,191,557.92/3,024,414.50 = 1,224,690.48/x - Step 3: Cross multiply
2,191,557.92x = 3,024,414.50 × 1,224,690.48 - Step 4: Simplify right side
2,191,557.92x = 3,703,971,639,600.51 - Step 5: Solve for x
x = 3,703,971,639,600.51/2,191,557.92 - Step 6: Final answer
x = 1,690,108.95
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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.