Finding the Fourth Proportional to 1,687,497.05, 2,531,508.49 and 549,995.32
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Solution
The fourth proportional to 1,687,497.05, 2,531,508.49 and 549,995.32 is: 825,078.67
Step by Step Solution
- Step 1: Write the proportion equation
1,687,497.05 : 2,531,508.49 = 549,995.32 : x - Step 2: Convert to fraction form
1,687,497.05/2,531,508.49 = 549,995.32/x - Step 3: Cross multiply
1,687,497.05x = 2,531,508.49 × 549,995.32 - Step 4: Simplify right side
1,687,497.05x = 1,392,317,825,892.15 - Step 5: Solve for x
x = 1,392,317,825,892.15/1,687,497.05 - Step 6: Final answer
x = 825,078.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.