Finding the Fourth Proportional to 1,486,207.44, 2,050,978.32 and 807,148.80
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Solution
The fourth proportional to 1,486,207.44, 2,050,978.32 and 807,148.80 is: 1,113,871.89
Step by Step Solution
- Step 1: Write the proportion equation
1,486,207.44 : 2,050,978.32 = 807,148.80 : x - Step 2: Convert to fraction form
1,486,207.44/2,050,978.32 = 807,148.80/x - Step 3: Cross multiply
1,486,207.44x = 2,050,978.32 × 807,148.80 - Step 4: Simplify right side
1,486,207.44x = 1,655,444,689,814.02 - Step 5: Solve for x
x = 1,655,444,689,814.02/1,486,207.44 - Step 6: Final answer
x = 1,113,871.89
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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.