Finding the Fourth Proportional to 1,498,468.70, 2,247,703.05 and 858,115.10
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Solution
The fourth proportional to 1,498,468.70, 2,247,703.05 and 858,115.10 is: 1,287,172.65
Step by Step Solution
- Step 1: Write the proportion equation
1,498,468.70 : 2,247,703.05 = 858,115.10 : x - Step 2: Convert to fraction form
1,498,468.70/2,247,703.05 = 858,115.10/x - Step 3: Cross multiply
1,498,468.70x = 2,247,703.05 × 858,115.10 - Step 4: Simplify right side
1,498,468.70x = 1,928,787,927,521.05 - Step 5: Solve for x
x = 1,928,787,927,521.05/1,498,468.70 - Step 6: Final answer
x = 1,287,172.65
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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.