Finding the Fourth Proportional to 2,194,416.40, 3,291,624.60 and 698,659.60
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Solution
The fourth proportional to 2,194,416.40, 3,291,624.60 and 698,659.60 is: 1,047,989.40
Step by Step Solution
- Step 1: Write the proportion equation
2,194,416.40 : 3,291,624.60 = 698,659.60 : x - Step 2: Convert to fraction form
2,194,416.40/3,291,624.60 = 698,659.60/x - Step 3: Cross multiply
2,194,416.40x = 3,291,624.60 × 698,659.60 - Step 4: Simplify right side
2,194,416.40x = 2,299,725,126,386.16 - Step 5: Solve for x
x = 2,299,725,126,386.16/2,194,416.40 - Step 6: Final answer
x = 1,047,989.40
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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.