Finding the Fourth Proportional to 3,270,444.12, 4,518,331.92 and 2,498,775.75
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Solution
The fourth proportional to 3,270,444.12, 4,518,331.92 and 2,498,775.75 is: 3,452,221.72
Step by Step Solution
- Step 1: Write the proportion equation
3,270,444.12 : 4,518,331.92 = 2,498,775.75 : x - Step 2: Convert to fraction form
3,270,444.12/4,518,331.92 = 2,498,775.75/x - Step 3: Cross multiply
3,270,444.12x = 4,518,331.92 × 2,498,775.75 - Step 4: Simplify right side
3,270,444.12x = 11,290,298,232,146.94 - Step 5: Solve for x
x = 11,290,298,232,146.94/3,270,444.12 - Step 6: Final answer
x = 3,452,221.72
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1.5x scale
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.