Finding the Fourth Proportional to 1,498,478.70, 2,247,718.05 and 858,125.10
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Solution
The fourth proportional to 1,498,478.70, 2,247,718.05 and 858,125.10 is: 1,287,187.65
Step by Step Solution
- Step 1: Write the proportion equation
1,498,478.70 : 2,247,718.05 = 858,125.10 : x - Step 2: Convert to fraction form
1,498,478.70/2,247,718.05 = 858,125.10/x - Step 3: Cross multiply
1,498,478.70x = 2,247,718.05 × 858,125.10 - Step 4: Simplify right side
1,498,478.70x = 1,928,823,276,428.05 - Step 5: Solve for x
x = 1,928,823,276,428.05/1,498,478.70 - Step 6: Final answer
x = 1,287,187.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.