Finding the Fourth Proportional to 1,656,990.58, 2,286,625.14 and 931,838.08
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Solution
The fourth proportional to 1,656,990.58, 2,286,625.14 and 931,838.08 is: 1,285,924.26
Step by Step Solution
- Step 1: Write the proportion equation
1,656,990.58 : 2,286,625.14 = 931,838.08 : x - Step 2: Convert to fraction form
1,656,990.58/2,286,625.14 = 931,838.08/x - Step 3: Cross multiply
1,656,990.58x = 2,286,625.14 × 931,838.08 - Step 4: Simplify right side
1,656,990.58x = 2,130,764,380,137.33 - Step 5: Solve for x
x = 2,130,764,380,137.33/1,656,990.58 - Step 6: Final answer
x = 1,285,924.26
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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.