Finding the Fourth Proportional to 4,248,979.74, 5,863,516.29 and 2,315,257.02
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Solution
The fourth proportional to 4,248,979.74, 5,863,516.29 and 2,315,257.02 is: 3,195,013.41
Step by Step Solution
- Step 1: Write the proportion equation
4,248,979.74 : 5,863,516.29 = 2,315,257.02 : x - Step 2: Convert to fraction form
4,248,979.74/5,863,516.29 = 2,315,257.02/x - Step 3: Cross multiply
4,248,979.74x = 5,863,516.29 × 2,315,257.02 - Step 4: Simplify right side
4,248,979.74x = 13,575,547,252,306.86 - Step 5: Solve for x
x = 13,575,547,252,306.86/4,248,979.74 - Step 6: Final answer
x = 3,195,013.41
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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.