Finding the Fourth Proportional to 3,025,579.20, 4,538,368.80 and 1,132,220.40
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Solution
The fourth proportional to 3,025,579.20, 4,538,368.80 and 1,132,220.40 is: 1,698,330.60
Step by Step Solution
- Step 1: Write the proportion equation
3,025,579.20 : 4,538,368.80 = 1,132,220.40 : x - Step 2: Convert to fraction form
3,025,579.20/4,538,368.80 = 1,132,220.40/x - Step 3: Cross multiply
3,025,579.20x = 4,538,368.80 × 1,132,220.40 - Step 4: Simplify right side
3,025,579.20x = 5,138,433,738,083.52 - Step 5: Solve for x
x = 5,138,433,738,083.52/3,025,579.20 - Step 6: Final answer
x = 1,698,330.60
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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.