Finding the Fourth Proportional to 2,262,467.88, 3,122,125.38 and 1,243,864.68
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Solution
The fourth proportional to 2,262,467.88, 3,122,125.38 and 1,243,864.68 is: 1,716,489.11
Step by Step Solution
- Step 1: Write the proportion equation
2,262,467.88 : 3,122,125.38 = 1,243,864.68 : x - Step 2: Convert to fraction form
2,262,467.88/3,122,125.38 = 1,243,864.68/x - Step 3: Cross multiply
2,262,467.88x = 3,122,125.38 × 1,243,864.68 - Step 4: Simplify right side
2,262,467.88x = 3,883,501,486,713.58 - Step 5: Solve for x
x = 3,883,501,486,713.58/2,262,467.88 - Step 6: Final answer
x = 1,716,489.11
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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.