Finding the Fourth Proportional to 3,679,685.60, 5,519,140.16 and 984,282.80
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Solution
The fourth proportional to 3,679,685.60, 5,519,140.16 and 984,282.80 is: 1,476,320.35
Step by Step Solution
- Step 1: Write the proportion equation
3,679,685.60 : 5,519,140.16 = 984,282.80 : x - Step 2: Convert to fraction form
3,679,685.60/5,519,140.16 = 984,282.80/x - Step 3: Cross multiply
3,679,685.60x = 5,519,140.16 × 984,282.80 - Step 4: Simplify right side
3,679,685.60x = 5,432,394,730,277.25 - Step 5: Solve for x
x = 5,432,394,730,277.25/3,679,685.60 - Step 6: Final answer
x = 1,476,320.35
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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.