Finding the Fourth Proportional to 2,855,738.84, 3,940,896.65 and 1,548,987.53
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Solution
The fourth proportional to 2,855,738.84, 3,940,896.65 and 1,548,987.53 is: 2,137,590.34
Step by Step Solution
- Step 1: Write the proportion equation
2,855,738.84 : 3,940,896.65 = 1,548,987.53 : x - Step 2: Convert to fraction form
2,855,738.84/3,940,896.65 = 1,548,987.53/x - Step 3: Cross multiply
2,855,738.84x = 3,940,896.65 × 1,548,987.53 - Step 4: Simplify right side
2,855,738.84x = 6,104,399,740,419.35 - Step 5: Solve for x
x = 6,104,399,740,419.35/2,855,738.84 - Step 6: Final answer
x = 2,137,590.34
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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.