Finding the Fourth Proportional to 4,326,434.62, 6,489,156.20 and 1,131,869.14
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Solution
The fourth proportional to 4,326,434.62, 6,489,156.20 and 1,131,869.14 is: 1,697,674.02
Step by Step Solution
- Step 1: Write the proportion equation
4,326,434.62 : 6,489,156.20 = 1,131,869.14 : x - Step 2: Convert to fraction form
4,326,434.62/6,489,156.20 = 1,131,869.14/x - Step 3: Cross multiply
4,326,434.62x = 6,489,156.20 × 1,131,869.14 - Step 4: Simplify right side
4,326,434.62x = 7,344,875,647,419.67 - Step 5: Solve for x
x = 7,344,875,647,419.67/4,326,434.62 - Step 6: Final answer
x = 1,697,674.02
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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.