Finding the Fourth Proportional to 2,921,668.05, 4,034,487.18 and 1,820,977.99
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Solution
The fourth proportional to 2,921,668.05, 4,034,487.18 and 1,820,977.99 is: 2,514,560.94
Step by Step Solution
- Step 1: Write the proportion equation
2,921,668.05 : 4,034,487.18 = 1,820,977.99 : x - Step 2: Convert to fraction form
2,921,668.05/4,034,487.18 = 1,820,977.99/x - Step 3: Cross multiply
2,921,668.05x = 4,034,487.18 × 1,820,977.99 - Step 4: Simplify right side
2,921,668.05x = 7,346,712,355,717.17 - Step 5: Solve for x
x = 7,346,712,355,717.17/2,921,668.05 - Step 6: Final answer
x = 2,514,560.94
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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.