Finding the Fourth Proportional to 1,569,957.46, 2,166,878.97 and 957,979.18
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Solution
The fourth proportional to 1,569,957.46, 2,166,878.97 and 957,979.18 is: 1,322,217.32
Step by Step Solution
- Step 1: Write the proportion equation
1,569,957.46 : 2,166,878.97 = 957,979.18 : x - Step 2: Convert to fraction form
1,569,957.46/2,166,878.97 = 957,979.18/x - Step 3: Cross multiply
1,569,957.46x = 2,166,878.97 × 957,979.18 - Step 4: Simplify right side
1,569,957.46x = 2,075,824,938,839.85 - Step 5: Solve for x
x = 2,075,824,938,839.85/1,569,957.46 - Step 6: Final answer
x = 1,322,217.32
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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.