Finding the Fourth Proportional to 4,791,760.64, 6,610,242.48 and 2,856,657.68
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Solution
The fourth proportional to 4,791,760.64, 6,610,242.48 and 2,856,657.68 is: 3,940,764.44
Step by Step Solution
- Step 1: Write the proportion equation
4,791,760.64 : 6,610,242.48 = 2,856,657.68 : x - Step 2: Convert to fraction form
4,791,760.64/6,610,242.48 = 2,856,657.68/x - Step 3: Cross multiply
4,791,760.64x = 6,610,242.48 × 2,856,657.68 - Step 4: Simplify right side
4,791,760.64x = 18,883,199,947,154.25 - Step 5: Solve for x
x = 18,883,199,947,154.25/4,791,760.64 - Step 6: Final answer
x = 3,940,764.44
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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.