Finding the Fourth Proportional to 2,581,630.40, 3,872,445.60 and 2,483,652.80
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Solution
The fourth proportional to 2,581,630.40, 3,872,445.60 and 2,483,652.80 is: 3,725,479.20
Step by Step Solution
- Step 1: Write the proportion equation
2,581,630.40 : 3,872,445.60 = 2,483,652.80 : x - Step 2: Convert to fraction form
2,581,630.40/3,872,445.60 = 2,483,652.80/x - Step 3: Cross multiply
2,581,630.40x = 3,872,445.60 × 2,483,652.80 - Step 4: Simplify right side
2,581,630.40x = 9,617,810,357,287.68 - Step 5: Solve for x
x = 9,617,810,357,287.68/2,581,630.40 - Step 6: Final answer
x = 3,725,479.20
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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.