Finding the Fourth Proportional to 2,086,950.62, 2,879,985.47 and 1,156,717.76
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Solution
The fourth proportional to 2,086,950.62, 2,879,985.47 and 1,156,717.76 is: 1,596,266.96
Step by Step Solution
- Step 1: Write the proportion equation
2,086,950.62 : 2,879,985.47 = 1,156,717.76 : x - Step 2: Convert to fraction form
2,086,950.62/2,879,985.47 = 1,156,717.76/x - Step 3: Cross multiply
2,086,950.62x = 2,879,985.47 × 1,156,717.76 - Step 4: Simplify right side
2,086,950.62x = 3,331,330,321,507.43 - Step 5: Solve for x
x = 3,331,330,321,507.43/2,086,950.62 - Step 6: Final answer
x = 1,596,266.96
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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.