Finding the Fourth Proportional to 5,611,729.19, 7,746,279.80 and 4,368,876.91
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Solution
The fourth proportional to 5,611,729.19, 7,746,279.80 and 4,368,876.91 is: 6,030,679.99
Step by Step Solution
- Step 1: Write the proportion equation
5,611,729.19 : 7,746,279.80 = 4,368,876.91 : x - Step 2: Convert to fraction form
5,611,729.19/7,746,279.80 = 4,368,876.91/x - Step 3: Cross multiply
5,611,729.19x = 7,746,279.80 × 4,368,876.91 - Step 4: Simplify right side
5,611,729.19x = 33,842,542,915,409.33 - Step 5: Solve for x
x = 33,842,542,915,409.33/5,611,729.19 - Step 6: Final answer
x = 6,030,679.99
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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.