Finding the Fourth Proportional to 5,462,678.40, 8,197,298.10 and 2,267,471.40
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Solution
The fourth proportional to 5,462,678.40, 8,197,298.10 and 2,267,471.40 is: 3,402,568.78
Step by Step Solution
- Step 1: Write the proportion equation
5,462,678.40 : 8,197,298.10 = 2,267,471.40 : x - Step 2: Convert to fraction form
5,462,678.40/8,197,298.10 = 2,267,471.40/x - Step 3: Cross multiply
5,462,678.40x = 8,197,298.10 × 2,267,471.40 - Step 4: Simplify right side
5,462,678.40x = 18,587,138,999,024.34 - Step 5: Solve for x
x = 18,587,138,999,024.34/5,462,678.40 - Step 6: Final answer
x = 3,402,568.78
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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.