Finding the Fourth Proportional to 7,722,178.08, 10,656,607.04 and 4,284,410.92
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Solution
The fourth proportional to 7,722,178.08, 10,656,607.04 and 4,284,410.92 is: 5,912,487.79
Step by Step Solution
- Step 1: Write the proportion equation
7,722,178.08 : 10,656,607.04 = 4,284,410.92 : x - Step 2: Convert to fraction form
7,722,178.08/10,656,607.04 = 4,284,410.92/x - Step 3: Cross multiply
7,722,178.08x = 10,656,607.04 × 4,284,410.92 - Step 4: Simplify right side
7,722,178.08x = 45,657,283,572,324.88 - Step 5: Solve for x
x = 45,657,283,572,324.88/7,722,178.08 - Step 6: Final answer
x = 5,912,487.79
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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.