Finding the Fourth Proportional to 1,432,078.18, 2,147,657.82 and 472,318.01
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Solution
The fourth proportional to 1,432,078.18, 2,147,657.82 and 472,318.01 is: 708,325.49
Step by Step Solution
- Step 1: Write the proportion equation
1,432,078.18 : 2,147,657.82 = 472,318.01 : x - Step 2: Convert to fraction form
1,432,078.18/2,147,657.82 = 472,318.01/x - Step 3: Cross multiply
1,432,078.18x = 2,147,657.82 × 472,318.01 - Step 4: Simplify right side
1,432,078.18x = 1,014,377,470,616.26 - Step 5: Solve for x
x = 1,014,377,470,616.26/1,432,078.18 - Step 6: Final answer
x = 708,325.49
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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.