Finding the Fourth Proportional to 2,635,155.68, 3,635,179.36 and 1,666,654.88
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Solution
The fourth proportional to 2,635,155.68, 3,635,179.36 and 1,666,654.88 is: 2,299,139.09
Step by Step Solution
- Step 1: Write the proportion equation
2,635,155.68 : 3,635,179.36 = 1,666,654.88 : x - Step 2: Convert to fraction form
2,635,155.68/3,635,179.36 = 1,666,654.88/x - Step 3: Cross multiply
2,635,155.68x = 3,635,179.36 × 1,666,654.88 - Step 4: Simplify right side
2,635,155.68x = 6,058,589,420,019.28 - Step 5: Solve for x
x = 6,058,589,420,019.28/2,635,155.68 - Step 6: Final answer
x = 2,299,139.09
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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.