Finding the Fourth Proportional to 5,811,549.12, 8,717,331.60 and 2,778,202.08
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Solution
The fourth proportional to 5,811,549.12, 8,717,331.60 and 2,778,202.08 is: 4,167,306.91
Step by Step Solution
- Step 1: Write the proportion equation
5,811,549.12 : 8,717,331.60 = 2,778,202.08 : x - Step 2: Convert to fraction form
5,811,549.12/8,717,331.60 = 2,778,202.08/x - Step 3: Cross multiply
5,811,549.12x = 8,717,331.60 × 2,778,202.08 - Step 4: Simplify right side
5,811,549.12x = 24,218,508,783,169.73 - Step 5: Solve for x
x = 24,218,508,783,169.73/5,811,549.12 - Step 6: Final answer
x = 4,167,306.91
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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.