Finding the Fourth Proportional to 5,513,126.18, 7,609,717.94 and 3,677,580.09
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Solution
The fourth proportional to 5,513,126.18, 7,609,717.94 and 3,677,580.09 is: 5,076,130.36
Step by Step Solution
- Step 1: Write the proportion equation
5,513,126.18 : 7,609,717.94 = 3,677,580.09 : x - Step 2: Convert to fraction form
5,513,126.18/7,609,717.94 = 3,677,580.09/x - Step 3: Cross multiply
5,513,126.18x = 7,609,717.94 × 3,677,580.09 - Step 4: Simplify right side
5,513,126.18x = 27,985,347,168,271.91 - Step 5: Solve for x
x = 27,985,347,168,271.91/5,513,126.18 - Step 6: Final answer
x = 5,076,130.36
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1.5x scale
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.