Finding the Fourth Proportional to 2,267,136.24, 3,128,677.60 and 1,248,616.32
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Solution
The fourth proportional to 2,267,136.24, 3,128,677.60 and 1,248,616.32 is: 1,723,106.82
Step by Step Solution
- Step 1: Write the proportion equation
2,267,136.24 : 3,128,677.60 = 1,248,616.32 : x - Step 2: Convert to fraction form
2,267,136.24/3,128,677.60 = 1,248,616.32/x - Step 3: Cross multiply
2,267,136.24x = 3,128,677.60 × 1,248,616.32 - Step 4: Simplify right side
2,267,136.24x = 3,906,517,911,378.43 - Step 5: Solve for x
x = 3,906,517,911,378.43/2,267,136.24 - Step 6: Final answer
x = 1,723,106.82
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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.