Finding the Fourth Proportional to 1,988,134.18, 2,982,141.81 and 548,905.30
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Solution
The fourth proportional to 1,988,134.18, 2,982,141.81 and 548,905.30 is: 823,341.53
Step by Step Solution
- Step 1: Write the proportion equation
1,988,134.18 : 2,982,141.81 = 548,905.30 : x - Step 2: Convert to fraction form
1,988,134.18/2,982,141.81 = 548,905.30/x - Step 3: Cross multiply
1,988,134.18x = 2,982,141.81 × 548,905.30 - Step 4: Simplify right side
1,988,134.18x = 1,636,913,444,860.59 - Step 5: Solve for x
x = 1,636,913,444,860.59/1,988,134.18 - Step 6: Final answer
x = 823,341.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.