Finding the Fourth Proportional to 3,593,655.20, 5,390,482.80 and 3,299,722.40
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Solution
The fourth proportional to 3,593,655.20, 5,390,482.80 and 3,299,722.40 is: 4,949,583.60
Step by Step Solution
- Step 1: Write the proportion equation
3,593,655.20 : 5,390,482.80 = 3,299,722.40 : x - Step 2: Convert to fraction form
3,593,655.20/5,390,482.80 = 3,299,722.40/x - Step 3: Cross multiply
3,593,655.20x = 5,390,482.80 × 3,299,722.40 - Step 4: Simplify right side
3,593,655.20x = 17,787,096,841,974.72 - Step 5: Solve for x
x = 17,787,096,841,974.72/3,593,655.20 - Step 6: Final answer
x = 4,949,583.60
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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.