Finding the Fourth Proportional to 1,715,044.77, 2,366,591.09 and 990,126.45
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Solution
The fourth proportional to 1,715,044.77, 2,366,591.09 and 990,126.45 is: 1,366,275.95
Step by Step Solution
- Step 1: Write the proportion equation
1,715,044.77 : 2,366,591.09 = 990,126.45 : x - Step 2: Convert to fraction form
1,715,044.77/2,366,591.09 = 990,126.45/x - Step 3: Cross multiply
1,715,044.77x = 2,366,591.09 × 990,126.45 - Step 4: Simplify right side
1,715,044.77x = 2,343,224,429,592.70 - Step 5: Solve for x
x = 2,343,224,429,592.70/1,715,044.77 - Step 6: Final answer
x = 1,366,275.95
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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.