Finding the Fourth Proportional to 4,285,694.86, 6,428,148.62 and 1,445,831.62
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Solution
The fourth proportional to 4,285,694.86, 6,428,148.62 and 1,445,831.62 is: 2,168,614.62
Step by Step Solution
- Step 1: Write the proportion equation
4,285,694.86 : 6,428,148.62 = 1,445,831.62 : x - Step 2: Convert to fraction form
4,285,694.86/6,428,148.62 = 1,445,831.62/x - Step 3: Cross multiply
4,285,694.86x = 6,428,148.62 × 1,445,831.62 - Step 4: Simplify right side
4,285,694.86x = 9,294,020,520,399.57 - Step 5: Solve for x
x = 9,294,020,520,399.57/4,285,694.86 - Step 6: Final answer
x = 2,168,614.62
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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.