Finding the Fourth Proportional to 1,687,693.74, 2,329,020.18 and 923,795.70
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Solution
The fourth proportional to 1,687,693.74, 2,329,020.18 and 923,795.70 is: 1,274,839.61
Step by Step Solution
- Step 1: Write the proportion equation
1,687,693.74 : 2,329,020.18 = 923,795.70 : x - Step 2: Convert to fraction form
1,687,693.74/2,329,020.18 = 923,795.70/x - Step 3: Cross multiply
1,687,693.74x = 2,329,020.18 × 923,795.70 - Step 4: Simplify right side
1,687,693.74x = 2,151,538,827,497.23 - Step 5: Solve for x
x = 2,151,538,827,497.23/1,687,693.74 - Step 6: Final answer
x = 1,274,839.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.