Finding the Fourth Proportional to 1,545,717.06, 2,132,937.09 and 857,376.90
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Solution
The fourth proportional to 1,545,717.06, 2,132,937.09 and 857,376.90 is: 1,183,095.56
Step by Step Solution
- Step 1: Write the proportion equation
1,545,717.06 : 2,132,937.09 = 857,376.90 : x - Step 2: Convert to fraction form
1,545,717.06/2,132,937.09 = 857,376.90/x - Step 3: Cross multiply
1,545,717.06x = 2,132,937.09 × 857,376.90 - Step 4: Simplify right side
1,545,717.06x = 1,828,730,990,119.22 - Step 5: Solve for x
x = 1,828,730,990,119.22/1,545,717.06 - Step 6: Final answer
x = 1,183,095.56
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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.