Finding the Fourth Proportional to 5,731,470.36, 7,909,143.21 and 3,153,084.84
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Solution
The fourth proportional to 5,731,470.36, 7,909,143.21 and 3,153,084.84 is: 4,351,099.80
Step by Step Solution
- Step 1: Write the proportion equation
5,731,470.36 : 7,909,143.21 = 3,153,084.84 : x - Step 2: Convert to fraction form
5,731,470.36/7,909,143.21 = 3,153,084.84/x - Step 3: Cross multiply
5,731,470.36x = 7,909,143.21 × 3,153,084.84 - Step 4: Simplify right side
5,731,470.36x = 24,938,199,552,839.93 - Step 5: Solve for x
x = 24,938,199,552,839.93/5,731,470.36 - Step 6: Final answer
x = 4,351,099.80
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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.