Finding the Fourth Proportional to 1,447,721.40, 2,172,428.82 and 606,202.68
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Solution
The fourth proportional to 1,447,721.40, 2,172,428.82 and 606,202.68 is: 909,658.57
Step by Step Solution
- Step 1: Write the proportion equation
1,447,721.40 : 2,172,428.82 = 606,202.68 : x - Step 2: Convert to fraction form
1,447,721.40/2,172,428.82 = 606,202.68/x - Step 3: Cross multiply
1,447,721.40x = 2,172,428.82 × 606,202.68 - Step 4: Simplify right side
1,447,721.40x = 1,316,932,172,793.24 - Step 5: Solve for x
x = 1,316,932,172,793.24/1,447,721.40 - Step 6: Final answer
x = 909,658.57
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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.