Finding the Fourth Proportional to 4,480,800.12, 6,718,988.34 and 1,955,362.68
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Solution
The fourth proportional to 4,480,800.12, 6,718,988.34 and 1,955,362.68 is: 2,932,078.80
Step by Step Solution
- Step 1: Write the proportion equation
4,480,800.12 : 6,718,988.34 = 1,955,362.68 : x - Step 2: Convert to fraction form
4,480,800.12/6,718,988.34 = 1,955,362.68/x - Step 3: Cross multiply
4,480,800.12x = 6,718,988.34 × 1,955,362.68 - Step 4: Simplify right side
4,480,800.12x = 13,138,059,047,391.15 - Step 5: Solve for x
x = 13,138,059,047,391.15/4,480,800.12 - Step 6: Final answer
x = 2,932,078.80
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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.