Finding the Fourth Proportional to 3,524,657.98, 4,864,268.55 and 1,996,777.66
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Solution
The fourth proportional to 3,524,657.98, 4,864,268.55 and 1,996,777.66 is: 2,755,689.44
Step by Step Solution
- Step 1: Write the proportion equation
3,524,657.98 : 4,864,268.55 = 1,996,777.66 : x - Step 2: Convert to fraction form
3,524,657.98/4,864,268.55 = 1,996,777.66/x - Step 3: Cross multiply
3,524,657.98x = 4,864,268.55 × 1,996,777.66 - Step 4: Simplify right side
3,524,657.98x = 9,712,862,772,880.59 - Step 5: Solve for x
x = 9,712,862,772,880.59/3,524,657.98 - Step 6: Final answer
x = 2,755,689.44
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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.