Finding the Fourth Proportional to 2,649,403.95, 3,656,654.58 and 1,561,612.02
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Solution
The fourth proportional to 2,649,403.95, 3,656,654.58 and 1,561,612.02 is: 2,155,305.82
Step by Step Solution
- Step 1: Write the proportion equation
2,649,403.95 : 3,656,654.58 = 1,561,612.02 : x - Step 2: Convert to fraction form
2,649,403.95/3,656,654.58 = 1,561,612.02/x - Step 3: Cross multiply
2,649,403.95x = 3,656,654.58 × 1,561,612.02 - Step 4: Simplify right side
2,649,403.95x = 5,710,275,745,116.05 - Step 5: Solve for x
x = 5,710,275,745,116.05/2,649,403.95 - Step 6: Final answer
x = 2,155,305.82
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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.