Finding the Fourth Proportional to 4,285,547.20, 5,914,128.36 and 2,351,987.56
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Solution
The fourth proportional to 4,285,547.20, 5,914,128.36 and 2,351,987.56 is: 3,245,783.02
Step by Step Solution
- Step 1: Write the proportion equation
4,285,547.20 : 5,914,128.36 = 2,351,987.56 : x - Step 2: Convert to fraction form
4,285,547.20/5,914,128.36 = 2,351,987.56/x - Step 3: Cross multiply
4,285,547.20x = 5,914,128.36 × 2,351,987.56 - Step 4: Simplify right side
4,285,547.20x = 13,909,956,330,963.20 - Step 5: Solve for x
x = 13,909,956,330,963.20/4,285,547.20 - Step 6: Final answer
x = 3,245,783.02
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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.