Finding the Fourth Proportional to 4,159,861.98, 6,239,790.12 and 1,566,655.92
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Solution
The fourth proportional to 4,159,861.98, 6,239,790.12 and 1,566,655.92 is: 2,349,982.81
Step by Step Solution
- Step 1: Write the proportion equation
4,159,861.98 : 6,239,790.12 = 1,566,655.92 : x - Step 2: Convert to fraction form
4,159,861.98/6,239,790.12 = 1,566,655.92/x - Step 3: Cross multiply
4,159,861.98x = 6,239,790.12 × 1,566,655.92 - Step 4: Simplify right side
4,159,861.98x = 9,775,604,131,055.51 - Step 5: Solve for x
x = 9,775,604,131,055.51/4,159,861.98 - Step 6: Final answer
x = 2,349,982.81
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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.