Finding the Fourth Proportional to 1,569,647.05, 2,354,470.58 and 771,440.65
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Solution
The fourth proportional to 1,569,647.05, 2,354,470.58 and 771,440.65 is: 1,157,160.98
Step by Step Solution
- Step 1: Write the proportion equation
1,569,647.05 : 2,354,470.58 = 771,440.65 : x - Step 2: Convert to fraction form
1,569,647.05/2,354,470.58 = 771,440.65/x - Step 3: Cross multiply
1,569,647.05x = 2,354,470.58 × 771,440.65 - Step 4: Simplify right side
1,569,647.05x = 1,816,334,310,783.87 - Step 5: Solve for x
x = 1,816,334,310,783.87/1,569,647.05 - Step 6: Final answer
x = 1,157,160.98
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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.