Finding the Fourth Proportional to 1,440,562.67, 2,161,078.53 and 672,828.13
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Solution
The fourth proportional to 1,440,562.67, 2,161,078.53 and 672,828.13 is: 1,009,351.73
Step by Step Solution
- Step 1: Write the proportion equation
1,440,562.67 : 2,161,078.53 = 672,828.13 : x - Step 2: Convert to fraction form
1,440,562.67/2,161,078.53 = 672,828.13/x - Step 3: Cross multiply
1,440,562.67x = 2,161,078.53 × 672,828.13 - Step 4: Simplify right side
1,440,562.67x = 1,454,034,426,123.05 - Step 5: Solve for x
x = 1,454,034,426,123.05/1,440,562.67 - Step 6: Final answer
x = 1,009,351.73
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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.