Finding the Fourth Proportional to 5,209,515.60, 7,814,273.40 and 4,988,331.60
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Solution
The fourth proportional to 5,209,515.60, 7,814,273.40 and 4,988,331.60 is: 7,482,497.40
Step by Step Solution
- Step 1: Write the proportion equation
5,209,515.60 : 7,814,273.40 = 4,988,331.60 : x - Step 2: Convert to fraction form
5,209,515.60/7,814,273.40 = 4,988,331.60/x - Step 3: Cross multiply
5,209,515.60x = 7,814,273.40 × 4,988,331.60 - Step 4: Simplify right side
5,209,515.60x = 38,980,186,932,259.44 - Step 5: Solve for x
x = 38,980,186,932,259.44/5,209,515.60 - Step 6: Final answer
x = 7,482,497.40
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Similar ratio
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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.