Finding the Fourth Proportional to 3,683,486.80, 5,525,230.20 and 3,098,901.70
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Solution
The fourth proportional to 3,683,486.80, 5,525,230.20 and 3,098,901.70 is: 4,648,352.55
Step by Step Solution
- Step 1: Write the proportion equation
3,683,486.80 : 5,525,230.20 = 3,098,901.70 : x - Step 2: Convert to fraction form
3,683,486.80/5,525,230.20 = 3,098,901.70/x - Step 3: Cross multiply
3,683,486.80x = 5,525,230.20 × 3,098,901.70 - Step 4: Simplify right side
3,683,486.80x = 17,122,145,259,671.34 - Step 5: Solve for x
x = 17,122,145,259,671.34/3,683,486.80 - Step 6: Final answer
x = 4,648,352.55
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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.