Finding the Fourth Proportional to 1,474,778.18, 2,035,231.54 and 830,220.98
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Solution
The fourth proportional to 1,474,778.18, 2,035,231.54 and 830,220.98 is: 1,145,726.15
Step by Step Solution
- Step 1: Write the proportion equation
1,474,778.18 : 2,035,231.54 = 830,220.98 : x - Step 2: Convert to fraction form
1,474,778.18/2,035,231.54 = 830,220.98/x - Step 3: Cross multiply
1,474,778.18x = 2,035,231.54 × 830,220.98 - Step 4: Simplify right side
1,474,778.18x = 1,689,691,923,665.71 - Step 5: Solve for x
x = 1,689,691,923,665.71/1,474,778.18 - Step 6: Final answer
x = 1,145,726.15
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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.