Finding the Fourth Proportional to 2,318,776.92, 3,199,432.97 and 1,338,698.97
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Solution
The fourth proportional to 2,318,776.92, 3,199,432.97 and 1,338,698.97 is: 1,847,127.93
Step by Step Solution
- Step 1: Write the proportion equation
2,318,776.92 : 3,199,432.97 = 1,338,698.97 : x - Step 2: Convert to fraction form
2,318,776.92/3,199,432.97 = 1,338,698.97/x - Step 3: Cross multiply
2,318,776.92x = 3,199,432.97 × 1,338,698.97 - Step 4: Simplify right side
2,318,776.92x = 4,283,077,615,871.38 - Step 5: Solve for x
x = 4,283,077,615,871.38/2,318,776.92 - Step 6: Final answer
x = 1,847,127.93
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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.