Finding the Fourth Proportional to 3,996,489.66, 5,996,702.79 and 1,866,264.18
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Solution
The fourth proportional to 3,996,489.66, 5,996,702.79 and 1,866,264.18 is: 2,800,315.42
Step by Step Solution
- Step 1: Write the proportion equation
3,996,489.66 : 5,996,702.79 = 1,866,264.18 : x - Step 2: Convert to fraction form
3,996,489.66/5,996,702.79 = 1,866,264.18/x - Step 3: Cross multiply
3,996,489.66x = 5,996,702.79 × 1,866,264.18 - Step 4: Simplify right side
3,996,489.66x = 11,191,431,615,083.06 - Step 5: Solve for x
x = 11,191,431,615,083.06/3,996,489.66 - Step 6: Final answer
x = 2,800,315.42
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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.