Finding the Fourth Proportional to 6,307,689.24, 8,704,614.63 and 3,407,080.08
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Solution
The fourth proportional to 6,307,689.24, 8,704,614.63 and 3,407,080.08 is: 4,701,772.39
Step by Step Solution
- Step 1: Write the proportion equation
6,307,689.24 : 8,704,614.63 = 3,407,080.08 : x - Step 2: Convert to fraction form
6,307,689.24/8,704,614.63 = 3,407,080.08/x - Step 3: Cross multiply
6,307,689.24x = 8,704,614.63 × 3,407,080.08 - Step 4: Simplify right side
6,307,689.24x = 29,657,319,109,949.57 - Step 5: Solve for x
x = 29,657,319,109,949.57/6,307,689.24 - Step 6: Final answer
x = 4,701,772.39
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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.