Finding the Fourth Proportional to 1,783,695.29, 2,460,470.06 and 1,138,388.13
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Solution
The fourth proportional to 1,783,695.29, 2,460,470.06 and 1,138,388.13 is: 1,570,318.62
Step by Step Solution
- Step 1: Write the proportion equation
1,783,695.29 : 2,460,470.06 = 1,138,388.13 : x - Step 2: Convert to fraction form
1,783,695.29/2,460,470.06 = 1,138,388.13/x - Step 3: Cross multiply
1,783,695.29x = 2,460,470.06 × 1,138,388.13 - Step 4: Simplify right side
1,783,695.29x = 2,800,969,913,370.36 - Step 5: Solve for x
x = 2,800,969,913,370.36/1,783,695.29 - Step 6: Final answer
x = 1,570,318.62
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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.