Finding the Fourth Proportional to 1,679,656.91, 2,517,993.54 and 654,750.95
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Solution
The fourth proportional to 1,679,656.91, 2,517,993.54 and 654,750.95 is: 981,544.89
Step by Step Solution
- Step 1: Write the proportion equation
1,679,656.91 : 2,517,993.54 = 654,750.95 : x - Step 2: Convert to fraction form
1,679,656.91/2,517,993.54 = 654,750.95/x - Step 3: Cross multiply
1,679,656.91x = 2,517,993.54 × 654,750.95 - Step 4: Simplify right side
1,679,656.91x = 1,648,658,649,818.90 - Step 5: Solve for x
x = 1,648,658,649,818.90/1,679,656.91 - Step 6: Final answer
x = 981,544.89
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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.