Finding the Fourth Proportional to 4,982,985.90, 7,483,336.20 and 3,636,668.70
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Solution
The fourth proportional to 4,982,985.90, 7,483,336.20 and 3,636,668.70 is: 5,461,467.30
Step by Step Solution
- Step 1: Write the proportion equation
4,982,985.90 : 7,483,336.20 = 3,636,668.70 : x - Step 2: Convert to fraction form
4,982,985.90/7,483,336.20 = 3,636,668.70/x - Step 3: Cross multiply
4,982,985.90x = 7,483,336.20 × 3,636,668.70 - Step 4: Simplify right side
4,982,985.90x = 27,214,414,530,116.94 - Step 5: Solve for x
x = 27,214,414,530,116.94/4,982,985.90 - Step 6: Final answer
x = 5,461,467.30
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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.