Finding the Fourth Proportional to 2,197,748.76, 3,032,916.17 and 1,217,717.76
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Solution
The fourth proportional to 2,197,748.76, 3,032,916.17 and 1,217,717.76 is: 1,680,463.19
Step by Step Solution
- Step 1: Write the proportion equation
2,197,748.76 : 3,032,916.17 = 1,217,717.76 : x - Step 2: Convert to fraction form
2,197,748.76/3,032,916.17 = 1,217,717.76/x - Step 3: Cross multiply
2,197,748.76x = 3,032,916.17 × 1,217,717.76 - Step 4: Simplify right side
2,197,748.76x = 3,693,235,884,800.18 - Step 5: Solve for x
x = 3,693,235,884,800.18/2,197,748.76 - Step 6: Final answer
x = 1,680,463.19
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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.