Finding the Fourth Proportional to 4,585,947.40, 6,878,046.30 and 1,391,177.80
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Solution
The fourth proportional to 4,585,947.40, 6,878,046.30 and 1,391,177.80 is: 2,086,501.32
Step by Step Solution
- Step 1: Write the proportion equation
4,585,947.40 : 6,878,046.30 = 1,391,177.80 : x - Step 2: Convert to fraction form
4,585,947.40/6,878,046.30 = 1,391,177.80/x - Step 3: Cross multiply
4,585,947.40x = 6,878,046.30 × 1,391,177.80 - Step 4: Simplify right side
4,585,947.40x = 9,568,585,319,932.14 - Step 5: Solve for x
x = 9,568,585,319,932.14/4,585,947.40 - Step 6: Final answer
x = 2,086,501.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.