Finding the Fourth Proportional to 3,423,287.12, 4,724,283.84 and 1,895,394.24
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Solution
The fourth proportional to 3,423,287.12, 4,724,283.84 and 1,895,394.24 is: 2,615,725.78
Step by Step Solution
- Step 1: Write the proportion equation
3,423,287.12 : 4,724,283.84 = 1,895,394.24 : x - Step 2: Convert to fraction form
3,423,287.12/4,724,283.84 = 1,895,394.24/x - Step 3: Cross multiply
3,423,287.12x = 4,724,283.84 × 1,895,394.24 - Step 4: Simplify right side
3,423,287.12x = 8,954,380,378,461.08 - Step 5: Solve for x
x = 8,954,380,378,461.08/3,423,287.12 - Step 6: Final answer
x = 2,615,725.78
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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.