Finding the Fourth Proportional to 3,806,414.76, 5,252,366.47 and 2,174,927.74
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Solution
The fourth proportional to 3,806,414.76, 5,252,366.47 and 2,174,927.74 is: 3,001,122.65
Step by Step Solution
- Step 1: Write the proportion equation
3,806,414.76 : 5,252,366.47 = 2,174,927.74 : x - Step 2: Convert to fraction form
3,806,414.76/5,252,366.47 = 2,174,927.74/x - Step 3: Cross multiply
3,806,414.76x = 5,252,366.47 × 2,174,927.74 - Step 4: Simplify right side
3,806,414.76x = 11,423,517,536,248.88 - Step 5: Solve for x
x = 11,423,517,536,248.88/3,806,414.76 - Step 6: Final answer
x = 3,001,122.65
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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.