Finding the Fourth Proportional to 1,513,072.17, 2,088,025.99 and 824,743.98
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Solution
The fourth proportional to 1,513,072.17, 2,088,025.99 and 824,743.98 is: 1,138,139.28
Step by Step Solution
- Step 1: Write the proportion equation
1,513,072.17 : 2,088,025.99 = 824,743.98 : x - Step 2: Convert to fraction form
1,513,072.17/2,088,025.99 = 824,743.98/x - Step 3: Cross multiply
1,513,072.17x = 2,088,025.99 × 824,743.98 - Step 4: Simplify right side
1,513,072.17x = 1,722,086,863,274.18 - Step 5: Solve for x
x = 1,722,086,863,274.18/1,513,072.17 - Step 6: Final answer
x = 1,138,139.28
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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.