Finding the Fourth Proportional to 2,855,686.88, 3,940,853.88 and 1,566,537.68
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Solution
The fourth proportional to 2,855,686.88, 3,940,853.88 and 1,566,537.68 is: 2,161,825.28
Step by Step Solution
- Step 1: Write the proportion equation
2,855,686.88 : 3,940,853.88 = 1,566,537.68 : x - Step 2: Convert to fraction form
2,855,686.88/3,940,853.88 = 1,566,537.68/x - Step 3: Cross multiply
2,855,686.88x = 3,940,853.88 × 1,566,537.68 - Step 4: Simplify right side
2,855,686.88x = 6,173,496,094,394.20 - Step 5: Solve for x
x = 6,173,496,094,394.20/2,855,686.88 - Step 6: Final answer
x = 2,161,825.28
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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.