Finding the Fourth Proportional to 1,585,951.16, 2,188,614.08 and 860,798.66
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Solution
The fourth proportional to 1,585,951.16, 2,188,614.08 and 860,798.66 is: 1,187,902.95
Step by Step Solution
- Step 1: Write the proportion equation
1,585,951.16 : 2,188,614.08 = 860,798.66 : x - Step 2: Convert to fraction form
1,585,951.16/2,188,614.08 = 860,798.66/x - Step 3: Cross multiply
1,585,951.16x = 2,188,614.08 × 860,798.66 - Step 4: Simplify right side
1,585,951.16x = 1,883,956,067,321.13 - Step 5: Solve for x
x = 1,883,956,067,321.13/1,585,951.16 - Step 6: Final answer
x = 1,187,902.95
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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.