Finding the Fourth Proportional to 3,844,889.76, 5,306,335.12 and 2,126,140.32
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Solution
The fourth proportional to 3,844,889.76, 5,306,335.12 and 2,126,140.32 is: 2,934,287.78
Step by Step Solution
- Step 1: Write the proportion equation
3,844,889.76 : 5,306,335.12 = 2,126,140.32 : x - Step 2: Convert to fraction form
3,844,889.76/5,306,335.12 = 2,126,140.32/x - Step 3: Cross multiply
3,844,889.76x = 5,306,335.12 × 2,126,140.32 - Step 4: Simplify right side
3,844,889.76x = 11,282,013,050,064.04 - Step 5: Solve for x
x = 11,282,013,050,064.04/3,844,889.76 - Step 6: Final answer
x = 2,934,287.78
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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.