Finding the Fourth Proportional to 5,290,723.49, 7,935,699.80 and 2,373,719.61
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Solution
The fourth proportional to 5,290,723.49, 7,935,699.80 and 2,373,719.61 is: 3,560,406.49
Step by Step Solution
- Step 1: Write the proportion equation
5,290,723.49 : 7,935,699.80 = 2,373,719.61 : x - Step 2: Convert to fraction form
5,290,723.49/7,935,699.80 = 2,373,719.61/x - Step 3: Cross multiply
5,290,723.49x = 7,935,699.80 × 2,373,719.61 - Step 4: Simplify right side
5,290,723.49x = 18,837,126,270,026.25 - Step 5: Solve for x
x = 18,837,126,270,026.25/5,290,723.49 - Step 6: Final answer
x = 3,560,406.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.