Finding the Fourth Proportional to 2,988,626.40, 4,484,251.80 and 1,390,366.80
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Solution
The fourth proportional to 2,988,626.40, 4,484,251.80 and 1,390,366.80 is: 2,086,160.66
Step by Step Solution
- Step 1: Write the proportion equation
2,988,626.40 : 4,484,251.80 = 1,390,366.80 : x - Step 2: Convert to fraction form
2,988,626.40/4,484,251.80 = 1,390,366.80/x - Step 3: Cross multiply
2,988,626.40x = 4,484,251.80 × 1,390,366.80 - Step 4: Simplify right side
2,988,626.40x = 6,234,754,825,560.24 - Step 5: Solve for x
x = 6,234,754,825,560.24/2,988,626.40 - Step 6: Final answer
x = 2,086,160.66
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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.