Finding the Fourth Proportional to 5,712,928.16, 7,883,840.92 and 3,265,592.21
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Solution
The fourth proportional to 5,712,928.16, 7,883,840.92 and 3,265,592.21 is: 4,506,517.28
Step by Step Solution
- Step 1: Write the proportion equation
5,712,928.16 : 7,883,840.92 = 3,265,592.21 : x - Step 2: Convert to fraction form
5,712,928.16/7,883,840.92 = 3,265,592.21/x - Step 3: Cross multiply
5,712,928.16x = 7,883,840.92 × 3,265,592.21 - Step 4: Simplify right side
5,712,928.16x = 25,745,409,453,812.03 - Step 5: Solve for x
x = 25,745,409,453,812.03/5,712,928.16 - Step 6: Final answer
x = 4,506,517.28
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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.