Finding the Fourth Proportional to 4,931,278.21, 6,804,574.59 and 2,725,843.15
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Solution
The fourth proportional to 4,931,278.21, 6,804,574.59 and 2,725,843.15 is: 3,761,337.78
Step by Step Solution
- Step 1: Write the proportion equation
4,931,278.21 : 6,804,574.59 = 2,725,843.15 : x - Step 2: Convert to fraction form
4,931,278.21/6,804,574.59 = 2,725,843.15/x - Step 3: Cross multiply
4,931,278.21x = 6,804,574.59 × 2,725,843.15 - Step 4: Simplify right side
4,931,278.21x = 18,548,203,053,543.19 - Step 5: Solve for x
x = 18,548,203,053,543.19/4,931,278.21 - Step 6: Final answer
x = 3,761,337.78
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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.