Finding the Fourth Proportional to 1,663,432.86, 2,295,551.06 and 918,382.70
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Solution
The fourth proportional to 1,663,432.86, 2,295,551.06 and 918,382.70 is: 1,267,375.70
Step by Step Solution
- Step 1: Write the proportion equation
1,663,432.86 : 2,295,551.06 = 918,382.70 : x - Step 2: Convert to fraction form
1,663,432.86/2,295,551.06 = 918,382.70/x - Step 3: Cross multiply
1,663,432.86x = 2,295,551.06 × 918,382.70 - Step 4: Simplify right side
1,663,432.86x = 2,108,194,380,470.66 - Step 5: Solve for x
x = 2,108,194,380,470.66/1,663,432.86 - Step 6: Final answer
x = 1,267,375.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.