Finding the Fourth Proportional to 1,478,537.70, 2,217,806.55 and 806,691.30
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Solution
The fourth proportional to 1,478,537.70, 2,217,806.55 and 806,691.30 is: 1,210,036.95
Step by Step Solution
- Step 1: Write the proportion equation
1,478,537.70 : 2,217,806.55 = 806,691.30 : x - Step 2: Convert to fraction form
1,478,537.70/2,217,806.55 = 806,691.30/x - Step 3: Cross multiply
1,478,537.70x = 2,217,806.55 × 806,691.30 - Step 4: Simplify right side
1,478,537.70x = 1,789,085,248,968.02 - Step 5: Solve for x
x = 1,789,085,248,968.02/1,478,537.70 - Step 6: Final answer
x = 1,210,036.95
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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.