Finding the Fourth Proportional to 3,261,871.17, 4,501,392.68 and 1,811,566.55
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Solution
The fourth proportional to 3,261,871.17, 4,501,392.68 and 1,811,566.55 is: 2,499,967.65
Step by Step Solution
- Step 1: Write the proportion equation
3,261,871.17 : 4,501,392.68 = 1,811,566.55 : x - Step 2: Convert to fraction form
3,261,871.17/4,501,392.68 = 1,811,566.55/x - Step 3: Cross multiply
3,261,871.17x = 4,501,392.68 × 1,811,566.55 - Step 4: Simplify right side
3,261,871.17x = 8,154,572,407,502.85 - Step 5: Solve for x
x = 8,154,572,407,502.85/3,261,871.17 - Step 6: Final answer
x = 2,499,967.65
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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.