Finding the Fourth Proportional to 4,236,607.80, 6,354,911.70 and 1,396,350.90
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Solution
The fourth proportional to 4,236,607.80, 6,354,911.70 and 1,396,350.90 is: 2,094,526.35
Step by Step Solution
- Step 1: Write the proportion equation
4,236,607.80 : 6,354,911.70 = 1,396,350.90 : x - Step 2: Convert to fraction form
4,236,607.80/6,354,911.70 = 1,396,350.90/x - Step 3: Cross multiply
4,236,607.80x = 6,354,911.70 × 1,396,350.90 - Step 4: Simplify right side
4,236,607.80x = 8,873,686,671,715.53 - Step 5: Solve for x
x = 8,873,686,671,715.53/4,236,607.80 - Step 6: Final answer
x = 2,094,526.35
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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.