Finding the Fourth Proportional to 2,138,754.70, 3,207,173.02 and 1,274,597.71
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Solution
The fourth proportional to 2,138,754.70, 3,207,173.02 and 1,274,597.71 is: 1,911,325.03
Step by Step Solution
- Step 1: Write the proportion equation
2,138,754.70 : 3,207,173.02 = 1,274,597.71 : x - Step 2: Convert to fraction form
2,138,754.70/3,207,173.02 = 1,274,597.71/x - Step 3: Cross multiply
2,138,754.70x = 3,207,173.02 × 1,274,597.71 - Step 4: Simplify right side
2,138,754.70x = 4,087,855,386,865.78 - Step 5: Solve for x
x = 4,087,855,386,865.78/2,138,754.70 - Step 6: Final answer
x = 1,911,325.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.