Finding the Fourth Proportional to 5,727,143.98, 7,903,614.59 and 3,113,823.97
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Solution
The fourth proportional to 5,727,143.98, 7,903,614.59 and 3,113,823.97 is: 4,297,161.84
Step by Step Solution
- Step 1: Write the proportion equation
5,727,143.98 : 7,903,614.59 = 3,113,823.97 : x - Step 2: Convert to fraction form
5,727,143.98/7,903,614.59 = 3,113,823.97/x - Step 3: Cross multiply
5,727,143.98x = 7,903,614.59 × 3,113,823.97 - Step 4: Simplify right side
5,727,143.98x = 24,610,464,565,970.96 - Step 5: Solve for x
x = 24,610,464,565,970.96/5,727,143.98 - Step 6: Final answer
x = 4,297,161.84
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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.