Finding the Fourth Proportional to 3,722,963.28, 5,583,780.14 and 990,526.38
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Solution
The fourth proportional to 3,722,963.28, 5,583,780.14 and 990,526.38 is: 1,485,612.70
Step by Step Solution
- Step 1: Write the proportion equation
3,722,963.28 : 5,583,780.14 = 990,526.38 : x - Step 2: Convert to fraction form
3,722,963.28/5,583,780.14 = 990,526.38/x - Step 3: Cross multiply
3,722,963.28x = 5,583,780.14 × 990,526.38 - Step 4: Simplify right side
3,722,963.28x = 5,530,881,528,790.09 - Step 5: Solve for x
x = 5,530,881,528,790.09/3,722,963.28 - Step 6: Final answer
x = 1,485,612.70
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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.