Finding the Fourth Proportional to 1,461,154.32, 2,016,482.49 and 816,625.98
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Solution
The fourth proportional to 1,461,154.32, 2,016,482.49 and 816,625.98 is: 1,126,993.89
Step by Step Solution
- Step 1: Write the proportion equation
1,461,154.32 : 2,016,482.49 = 816,625.98 : x - Step 2: Convert to fraction form
1,461,154.32/2,016,482.49 = 816,625.98/x - Step 3: Cross multiply
1,461,154.32x = 2,016,482.49 × 816,625.98 - Step 4: Simplify right side
1,461,154.32x = 1,646,711,989,549.09 - Step 5: Solve for x
x = 1,646,711,989,549.09/1,461,154.32 - Step 6: Final answer
x = 1,126,993.89
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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.