Finding the Fourth Proportional to 4,257,665.20, 6,386,497.80 and 2,746,010.80
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Solution
The fourth proportional to 4,257,665.20, 6,386,497.80 and 2,746,010.80 is: 4,119,016.20
Step by Step Solution
- Step 1: Write the proportion equation
4,257,665.20 : 6,386,497.80 = 2,746,010.80 : x - Step 2: Convert to fraction form
4,257,665.20/6,386,497.80 = 2,746,010.80/x - Step 3: Cross multiply
4,257,665.20x = 6,386,497.80 × 2,746,010.80 - Step 4: Simplify right side
4,257,665.20x = 17,537,391,932,976.24 - Step 5: Solve for x
x = 17,537,391,932,976.24/4,257,665.20 - Step 6: Final answer
x = 4,119,016.20
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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.