Finding the Fourth Proportional to 3,168,584.13, 4,372,647.12 and 1,718,279.13
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Solution
The fourth proportional to 3,168,584.13, 4,372,647.12 and 1,718,279.13 is: 2,371,225.75
Step by Step Solution
- Step 1: Write the proportion equation
3,168,584.13 : 4,372,647.12 = 1,718,279.13 : x - Step 2: Convert to fraction form
3,168,584.13/4,372,647.12 = 1,718,279.13/x - Step 3: Cross multiply
3,168,584.13x = 4,372,647.12 × 1,718,279.13 - Step 4: Simplify right side
3,168,584.13x = 7,513,428,289,150.61 - Step 5: Solve for x
x = 7,513,428,289,150.61/3,168,584.13 - Step 6: Final answer
x = 2,371,225.75
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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.