Finding the Fourth Proportional to 2,891,722.08, 4,338,774.13 and 1,271,658.09
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Solution
The fourth proportional to 2,891,722.08, 4,338,774.13 and 1,271,658.09 is: 1,908,010.89
Step by Step Solution
- Step 1: Write the proportion equation
2,891,722.08 : 4,338,774.13 = 1,271,658.09 : x - Step 2: Convert to fraction form
2,891,722.08/4,338,774.13 = 1,271,658.09/x - Step 3: Cross multiply
2,891,722.08x = 4,338,774.13 × 1,271,658.09 - Step 4: Simplify right side
2,891,722.08x = 5,517,437,223,097.21 - Step 5: Solve for x
x = 5,517,437,223,097.21/2,891,722.08 - Step 6: Final answer
x = 1,908,010.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.