Finding the Fourth Proportional to 1,752,514.88, 2,417,551.08 and 1,522,555.47
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Solution
The fourth proportional to 1,752,514.88, 2,417,551.08 and 1,522,555.47 is: 2,100,327.75
Step by Step Solution
- Step 1: Write the proportion equation
1,752,514.88 : 2,417,551.08 = 1,522,555.47 : x - Step 2: Convert to fraction form
1,752,514.88/2,417,551.08 = 1,522,555.47/x - Step 3: Cross multiply
1,752,514.88x = 2,417,551.08 × 1,522,555.47 - Step 4: Simplify right side
1,752,514.88x = 3,680,855,620,858.41 - Step 5: Solve for x
x = 3,680,855,620,858.41/1,752,514.88 - Step 6: Final answer
x = 2,100,327.75
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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.