Finding the Fourth Proportional to 4,600,511.80, 6,902,841.30 and 2,203,430.20
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Solution
The fourth proportional to 4,600,511.80, 6,902,841.30 and 2,203,430.20 is: 3,306,138.46
Step by Step Solution
- Step 1: Write the proportion equation
4,600,511.80 : 6,902,841.30 = 2,203,430.20 : x - Step 2: Convert to fraction form
4,600,511.80/6,902,841.30 = 2,203,430.20/x - Step 3: Cross multiply
4,600,511.80x = 6,902,841.30 × 2,203,430.20 - Step 4: Simplify right side
4,600,511.80x = 15,209,928,986,227.26 - Step 5: Solve for x
x = 15,209,928,986,227.26/4,600,511.80 - Step 6: Final answer
x = 3,306,138.46
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1.5x scale
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.