Finding the Fourth Proportional to 2,518,917.70, 3,476,140.96 and 1,372,995.58
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Solution
The fourth proportional to 2,518,917.70, 3,476,140.96 and 1,372,995.58 is: 1,894,752.72
Step by Step Solution
- Step 1: Write the proportion equation
2,518,917.70 : 3,476,140.96 = 1,372,995.58 : x - Step 2: Convert to fraction form
2,518,917.70/3,476,140.96 = 1,372,995.58/x - Step 3: Cross multiply
2,518,917.70x = 3,476,140.96 × 1,372,995.58 - Step 4: Simplify right side
2,518,917.70x = 4,772,726,156,156.25 - Step 5: Solve for x
x = 4,772,726,156,156.25/2,518,917.70 - Step 6: Final answer
x = 1,894,752.72
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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.