Finding the Fourth Proportional to 2,810,077.29, 3,878,000.55 and 1,722,138.66
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Solution
The fourth proportional to 2,810,077.29, 3,878,000.55 and 1,722,138.66 is: 2,376,608.89
Step by Step Solution
- Step 1: Write the proportion equation
2,810,077.29 : 3,878,000.55 = 1,722,138.66 : x - Step 2: Convert to fraction form
2,810,077.29/3,878,000.55 = 1,722,138.66/x - Step 3: Cross multiply
2,810,077.29x = 3,878,000.55 × 1,722,138.66 - Step 4: Simplify right side
2,810,077.29x = 6,678,454,670,656.26 - Step 5: Solve for x
x = 6,678,454,670,656.26/2,810,077.29 - Step 6: Final answer
x = 2,376,608.89
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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.