Finding the Fourth Proportional to 6,688,000.80, 10,028,841.12 and 2,591,241.12
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Solution
The fourth proportional to 6,688,000.80, 10,028,841.12 and 2,591,241.12 is: 3,885,637.32
Step by Step Solution
- Step 1: Write the proportion equation
6,688,000.80 : 10,028,841.12 = 2,591,241.12 : x - Step 2: Convert to fraction form
6,688,000.80/10,028,841.12 = 2,591,241.12/x - Step 3: Cross multiply
6,688,000.80x = 10,028,841.12 × 2,591,241.12 - Step 4: Simplify right side
6,688,000.80x = 25,987,145,496,090.85 - Step 5: Solve for x
x = 25,987,145,496,090.85/6,688,000.80 - Step 6: Final answer
x = 3,885,637.32
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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.