Finding the Fourth Proportional to 4,498,648.40, 6,207,980.36 and 2,565,531.60
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Solution
The fourth proportional to 4,498,648.40, 6,207,980.36 and 2,565,531.60 is: 3,540,345.54
Step by Step Solution
- Step 1: Write the proportion equation
4,498,648.40 : 6,207,980.36 = 2,565,531.60 : x - Step 2: Convert to fraction form
4,498,648.40/6,207,980.36 = 2,565,531.60/x - Step 3: Cross multiply
4,498,648.40x = 6,207,980.36 × 2,565,531.60 - Step 4: Simplify right side
4,498,648.40x = 15,926,769,785,759.38 - Step 5: Solve for x
x = 15,926,769,785,759.38/4,498,648.40 - Step 6: Final answer
x = 3,540,345.54
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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.