Finding the Fourth Proportional to 1,988,130.02, 2,982,135.69 and 548,901.29
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Solution
The fourth proportional to 1,988,130.02, 2,982,135.69 and 548,901.29 is: 823,335.56
Step by Step Solution
- Step 1: Write the proportion equation
1,988,130.02 : 2,982,135.69 = 548,901.29 : x - Step 2: Convert to fraction form
1,988,130.02/2,982,135.69 = 548,901.29/x - Step 3: Cross multiply
1,988,130.02x = 2,982,135.69 × 548,901.29 - Step 4: Simplify right side
1,988,130.02x = 1,636,898,134,651.38 - Step 5: Solve for x
x = 1,636,898,134,651.38/1,988,130.02 - Step 6: Final answer
x = 823,335.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.