Finding the Fourth Proportional to 3,168,570.68, 4,372,628.76 and 1,718,265.76
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Solution
The fourth proportional to 3,168,570.68, 4,372,628.76 and 1,718,265.76 is: 2,371,207.41
Step by Step Solution
- Step 1: Write the proportion equation
3,168,570.68 : 4,372,628.76 = 1,718,265.76 : x - Step 2: Convert to fraction form
3,168,570.68/4,372,628.76 = 1,718,265.76/x - Step 3: Cross multiply
3,168,570.68x = 4,372,628.76 × 1,718,265.76 - Step 4: Simplify right side
3,168,570.68x = 7,513,338,279,499.26 - Step 5: Solve for x
x = 7,513,338,279,499.26/3,168,570.68 - Step 6: Final answer
x = 2,371,207.41
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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.