Finding the Fourth Proportional to 6,307,689.48, 8,704,614.97 and 3,407,080.33
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Solution
The fourth proportional to 6,307,689.48, 8,704,614.97 and 3,407,080.33 is: 4,701,772.74
Step by Step Solution
- Step 1: Write the proportion equation
6,307,689.48 : 8,704,614.97 = 3,407,080.33 : x - Step 2: Convert to fraction form
6,307,689.48/8,704,614.97 = 3,407,080.33/x - Step 3: Cross multiply
6,307,689.48x = 8,704,614.97 × 3,407,080.33 - Step 4: Simplify right side
6,307,689.48x = 29,657,322,444,510.54 - Step 5: Solve for x
x = 29,657,322,444,510.54/6,307,689.48 - Step 6: Final answer
x = 4,701,772.74
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1.5x scale
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.