Finding the Fourth Proportional to 3,943,516.56, 5,442,304.86 and 2,224,009.68
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Solution
The fourth proportional to 3,943,516.56, 5,442,304.86 and 2,224,009.68 is: 3,069,275.48
Step by Step Solution
- Step 1: Write the proportion equation
3,943,516.56 : 5,442,304.86 = 2,224,009.68 : x - Step 2: Convert to fraction form
3,943,516.56/5,442,304.86 = 2,224,009.68/x - Step 3: Cross multiply
3,943,516.56x = 5,442,304.86 × 2,224,009.68 - Step 4: Simplify right side
3,943,516.56x = 12,103,738,690,151.05 - Step 5: Solve for x
x = 12,103,738,690,151.05/3,943,516.56 - Step 6: Final answer
x = 3,069,275.48
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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.