Finding the Fourth Proportional to 2,664,607.80, 3,996,911.70 and 2,192,215.80
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Solution
The fourth proportional to 2,664,607.80, 3,996,911.70 and 2,192,215.80 is: 3,288,323.70
Step by Step Solution
- Step 1: Write the proportion equation
2,664,607.80 : 3,996,911.70 = 2,192,215.80 : x - Step 2: Convert to fraction form
2,664,607.80/3,996,911.70 = 2,192,215.80/x - Step 3: Cross multiply
2,664,607.80x = 3,996,911.70 × 2,192,215.80 - Step 4: Simplify right side
2,664,607.80x = 8,762,092,979,944.86 - Step 5: Solve for x
x = 8,762,092,979,944.86/2,664,607.80 - Step 6: Final answer
x = 3,288,323.70
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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.