Finding the Fourth Proportional to 4,811,619.16, 6,640,034.28 and 2,636,244.82
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Solution
The fourth proportional to 4,811,619.16, 6,640,034.28 and 2,636,244.82 is: 3,638,017.76
Step by Step Solution
- Step 1: Write the proportion equation
4,811,619.16 : 6,640,034.28 = 2,636,244.82 : x - Step 2: Convert to fraction form
4,811,619.16/6,640,034.28 = 2,636,244.82/x - Step 3: Cross multiply
4,811,619.16x = 6,640,034.28 × 2,636,244.82 - Step 4: Simplify right side
4,811,619.16x = 17,504,755,975,272.43 - Step 5: Solve for x
x = 17,504,755,975,272.43/4,811,619.16 - Step 6: Final answer
x = 3,638,017.76
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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.