Finding the Fourth Proportional to 3,168,565.68, 4,372,621.86 and 1,718,260.74
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Solution
The fourth proportional to 3,168,565.68, 4,372,621.86 and 1,718,260.74 is: 2,371,200.48
Step by Step Solution
- Step 1: Write the proportion equation
3,168,565.68 : 4,372,621.86 = 1,718,260.74 : x - Step 2: Convert to fraction form
3,168,565.68/4,372,621.86 = 1,718,260.74/x - Step 3: Cross multiply
3,168,565.68x = 4,372,621.86 × 1,718,260.74 - Step 4: Simplify right side
3,168,565.68x = 7,513,304,472,903.78 - Step 5: Solve for x
x = 7,513,304,472,903.78/3,168,565.68 - Step 6: Final answer
x = 2,371,200.48
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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.