Finding the Fourth Proportional to 4,138,360.14, 5,707,701.68 and 2,688,522.71
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Solution
The fourth proportional to 4,138,360.14, 5,707,701.68 and 2,688,522.71 is: 3,708,059.48
Step by Step Solution
- Step 1: Write the proportion equation
4,138,360.14 : 5,707,701.68 = 2,688,522.71 : x - Step 2: Convert to fraction form
4,138,360.14/5,707,701.68 = 2,688,522.71/x - Step 3: Cross multiply
4,138,360.14x = 5,707,701.68 × 2,688,522.71 - Step 4: Simplify right side
4,138,360.14x = 15,345,285,546,604.03 - Step 5: Solve for x
x = 15,345,285,546,604.03/4,138,360.14 - Step 6: Final answer
x = 3,708,059.48
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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.