Finding the Fourth Proportional to 4,304,805.60, 6,457,208.40 and 2,415,237.60
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Solution
The fourth proportional to 4,304,805.60, 6,457,208.40 and 2,415,237.60 is: 3,622,856.40
Step by Step Solution
- Step 1: Write the proportion equation
4,304,805.60 : 6,457,208.40 = 2,415,237.60 : x - Step 2: Convert to fraction form
4,304,805.60/6,457,208.40 = 2,415,237.60/x - Step 3: Cross multiply
4,304,805.60x = 6,457,208.40 × 2,415,237.60 - Step 4: Simplify right side
4,304,805.60x = 15,595,692,518,715.84 - Step 5: Solve for x
x = 15,595,692,518,715.84/4,304,805.60 - Step 6: Final answer
x = 3,622,856.40
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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.