Finding the Fourth Proportional to 5,572,764.69, 7,683,295.98 and 3,609,173.55
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Solution
The fourth proportional to 5,572,764.69, 7,683,295.98 and 3,609,173.55 is: 4,976,048.72
Step by Step Solution
- Step 1: Write the proportion equation
5,572,764.69 : 7,683,295.98 = 3,609,173.55 : x - Step 2: Convert to fraction form
5,572,764.69/7,683,295.98 = 3,609,173.55/x - Step 3: Cross multiply
5,572,764.69x = 7,683,295.98 × 3,609,173.55 - Step 4: Simplify right side
5,572,764.69x = 27,730,348,627,837.33 - Step 5: Solve for x
x = 27,730,348,627,837.33/5,572,764.69 - Step 6: Final answer
x = 4,976,048.72
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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.