Finding the Fourth Proportional to 2,798,815.68, 3,864,224.88 and 2,153,096.64
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Solution
The fourth proportional to 2,798,815.68, 3,864,224.88 and 2,153,096.64 is: 2,972,703.66
Step by Step Solution
- Step 1: Write the proportion equation
2,798,815.68 : 3,864,224.88 = 2,153,096.64 : x - Step 2: Convert to fraction form
2,798,815.68/3,864,224.88 = 2,153,096.64/x - Step 3: Cross multiply
2,798,815.68x = 3,864,224.88 × 2,153,096.64 - Step 4: Simplify right side
2,798,815.68x = 8,320,049,605,332.40 - Step 5: Solve for x
x = 8,320,049,605,332.40/2,798,815.68 - Step 6: Final answer
x = 2,972,703.66
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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.