Finding the Fourth Proportional to 2,663,129.28, 3,674,218.68 and 1,516,397.70
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Solution
The fourth proportional to 2,663,129.28, 3,674,218.68 and 1,516,397.70 is: 2,092,116.52
Step by Step Solution
- Step 1: Write the proportion equation
2,663,129.28 : 3,674,218.68 = 1,516,397.70 : x - Step 2: Convert to fraction form
2,663,129.28/3,674,218.68 = 1,516,397.70/x - Step 3: Cross multiply
2,663,129.28x = 3,674,218.68 × 1,516,397.70 - Step 4: Simplify right side
2,663,129.28x = 5,571,576,755,649.04 - Step 5: Solve for x
x = 5,571,576,755,649.04/2,663,129.28 - Step 6: Final answer
x = 2,092,116.52
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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.