Finding the Fourth Proportional to 6,409,940.99, 8,846,963.53 and 4,858,496.55
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Solution
The fourth proportional to 6,409,940.99, 8,846,963.53 and 4,858,496.55 is: 6,705,668.88
Step by Step Solution
- Step 1: Write the proportion equation
6,409,940.99 : 8,846,963.53 = 4,858,496.55 : x - Step 2: Convert to fraction form
6,409,940.99/8,846,963.53 = 4,858,496.55/x - Step 3: Cross multiply
6,409,940.99x = 8,846,963.53 × 4,858,496.55 - Step 4: Simplify right side
6,409,940.99x = 42,982,941,776,334.58 - Step 5: Solve for x
x = 42,982,941,776,334.58/6,409,940.99 - Step 6: Final answer
x = 6,705,668.88
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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.