Finding the Fourth Proportional to 2,132,058.68, 2,942,248.56 and 1,165,188.68
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Solution
The fourth proportional to 2,132,058.68, 2,942,248.56 and 1,165,188.68 is: 1,607,964.52
Step by Step Solution
- Step 1: Write the proportion equation
2,132,058.68 : 2,942,248.56 = 1,165,188.68 : x - Step 2: Convert to fraction form
2,132,058.68/2,942,248.56 = 1,165,188.68/x - Step 3: Cross multiply
2,132,058.68x = 2,942,248.56 × 1,165,188.68 - Step 4: Simplify right side
2,132,058.68x = 3,428,274,715,858.30 - Step 5: Solve for x
x = 3,428,274,715,858.30/2,132,058.68 - Step 6: Final answer
x = 1,607,964.52
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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.