Finding the Fourth Proportional to 3,124,473.36, 4,311,569.84 and 1,747,578.53
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Solution
The fourth proportional to 3,124,473.36, 4,311,569.84 and 1,747,578.53 is: 2,411,544.60
Step by Step Solution
- Step 1: Write the proportion equation
3,124,473.36 : 4,311,569.84 = 1,747,578.53 : x - Step 2: Convert to fraction form
3,124,473.36/4,311,569.84 = 1,747,578.53/x - Step 3: Cross multiply
3,124,473.36x = 4,311,569.84 × 1,747,578.53 - Step 4: Simplify right side
3,124,473.36x = 7,534,806,852,683.79 - Step 5: Solve for x
x = 7,534,806,852,683.79/3,124,473.36 - Step 6: Final answer
x = 2,411,544.60
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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.