Finding the Fourth Proportional to 6,316,689.17, 8,717,057.28 and 3,416,080.07
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Solution
The fourth proportional to 6,316,689.17, 8,717,057.28 and 3,416,080.07 is: 4,714,204.68
Step by Step Solution
- Step 1: Write the proportion equation
6,316,689.17 : 8,717,057.28 = 3,416,080.07 : x - Step 2: Convert to fraction form
6,316,689.17/8,717,057.28 = 3,416,080.07/x - Step 3: Cross multiply
6,316,689.17x = 8,717,057.28 × 3,416,080.07 - Step 4: Simplify right side
6,316,689.17x = 29,778,165,665,049.05 - Step 5: Solve for x
x = 29,778,165,665,049.05/6,316,689.17 - Step 6: Final answer
x = 4,714,204.68
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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.