Finding the Fourth Proportional to 6,651,385.20, 9,952,165.80 and 4,736,722.80
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Solution
The fourth proportional to 6,651,385.20, 9,952,165.80 and 4,736,722.80 is: 7,087,343.35
Step by Step Solution
- Step 1: Write the proportion equation
6,651,385.20 : 9,952,165.80 = 4,736,722.80 : x - Step 2: Convert to fraction form
6,651,385.20/9,952,165.80 = 4,736,722.80/x - Step 3: Cross multiply
6,651,385.20x = 9,952,165.80 × 4,736,722.80 - Step 4: Simplify right side
6,651,385.20x = 47,140,650,654,240.24 - Step 5: Solve for x
x = 47,140,650,654,240.24/6,651,385.20 - Step 6: Final answer
x = 7,087,343.35
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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.