Finding the Fourth Proportional to 3,706,356.10, 5,115,383.57 and 2,543,847.36
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Solution
The fourth proportional to 3,706,356.10, 5,115,383.57 and 2,543,847.36 is: 3,510,929.51
Step by Step Solution
- Step 1: Write the proportion equation
3,706,356.10 : 5,115,383.57 = 2,543,847.36 : x - Step 2: Convert to fraction form
3,706,356.10/5,115,383.57 = 2,543,847.36/x - Step 3: Cross multiply
3,706,356.10x = 5,115,383.57 × 2,543,847.36 - Step 4: Simplify right side
3,706,356.10x = 13,012,754,989,931.88 - Step 5: Solve for x
x = 13,012,754,989,931.88/3,706,356.10 - Step 6: Final answer
x = 3,510,929.51
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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.