Finding the Fourth Proportional to 1,606,806.72, 2,217,589.92 and 927,742.08
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Solution
The fourth proportional to 1,606,806.72, 2,217,589.92 and 927,742.08 is: 1,280,397.61
Step by Step Solution
- Step 1: Write the proportion equation
1,606,806.72 : 2,217,589.92 = 927,742.08 : x - Step 2: Convert to fraction form
1,606,806.72/2,217,589.92 = 927,742.08/x - Step 3: Cross multiply
1,606,806.72x = 2,217,589.92 × 927,742.08 - Step 4: Simplify right side
1,606,806.72x = 2,057,351,484,967.83 - Step 5: Solve for x
x = 2,057,351,484,967.83/1,606,806.72 - Step 6: Final answer
x = 1,280,397.61
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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.