Finding the Fourth Proportional to 5,675,407.20, 8,513,110.80 and 3,552,040.80
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Solution
The fourth proportional to 5,675,407.20, 8,513,110.80 and 3,552,040.80 is: 5,328,061.20
Step by Step Solution
- Step 1: Write the proportion equation
5,675,407.20 : 8,513,110.80 = 3,552,040.80 : x - Step 2: Convert to fraction form
5,675,407.20/8,513,110.80 = 3,552,040.80/x - Step 3: Cross multiply
5,675,407.20x = 8,513,110.80 × 3,552,040.80 - Step 4: Simplify right side
5,675,407.20x = 30,238,916,896,520.64 - Step 5: Solve for x
x = 30,238,916,896,520.64/5,675,407.20 - Step 6: Final answer
x = 5,328,061.20
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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.