Finding the Fourth Proportional to 5,142,566.90, 7,713,915.95 and 3,544,700.96
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Solution
The fourth proportional to 5,142,566.90, 7,713,915.95 and 3,544,700.96 is: 5,317,096.65
Step by Step Solution
- Step 1: Write the proportion equation
5,142,566.90 : 7,713,915.95 = 3,544,700.96 : x - Step 2: Convert to fraction form
5,142,566.90/7,713,915.95 = 3,544,700.96/x - Step 3: Cross multiply
5,142,566.90x = 7,713,915.95 × 3,544,700.96 - Step 4: Simplify right side
5,142,566.90x = 27,343,525,217,031.23 - Step 5: Solve for x
x = 27,343,525,217,031.23/5,142,566.90 - Step 6: Final answer
x = 5,317,096.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.