Finding the Fourth Proportional to 2,869,013.45, 3,959,238.18 and 1,579,850.66
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Solution
The fourth proportional to 2,869,013.45, 3,959,238.18 and 1,579,850.66 is: 2,180,193.70
Step by Step Solution
- Step 1: Write the proportion equation
2,869,013.45 : 3,959,238.18 = 1,579,850.66 : x - Step 2: Convert to fraction form
2,869,013.45/3,959,238.18 = 1,579,850.66/x - Step 3: Cross multiply
2,869,013.45x = 3,959,238.18 × 1,579,850.66 - Step 4: Simplify right side
2,869,013.45x = 6,255,005,067,592.74 - Step 5: Solve for x
x = 6,255,005,067,592.74/2,869,013.45 - Step 6: Final answer
x = 2,180,193.70
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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.