Finding the Fourth Proportional to 4,292,697.64, 5,921,456.08 and 2,680,266.28
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Solution
The fourth proportional to 4,292,697.64, 5,921,456.08 and 2,680,266.28 is: 3,697,227.34
Step by Step Solution
- Step 1: Write the proportion equation
4,292,697.64 : 5,921,456.08 = 2,680,266.28 : x - Step 2: Convert to fraction form
4,292,697.64/5,921,456.08 = 2,680,266.28/x - Step 3: Cross multiply
4,292,697.64x = 5,921,456.08 × 2,680,266.28 - Step 4: Simplify right side
4,292,697.64x = 15,871,079,059,724.98 - Step 5: Solve for x
x = 15,871,079,059,724.98/4,292,697.64 - Step 6: Final answer
x = 3,697,227.34
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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.