Finding the Fourth Proportional to 1,624,674.26, 2,242,084.68 and 889,659.40
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Solution
The fourth proportional to 1,624,674.26, 2,242,084.68 and 889,659.40 is: 1,227,748.70
Step by Step Solution
- Step 1: Write the proportion equation
1,624,674.26 : 2,242,084.68 = 889,659.40 : x - Step 2: Convert to fraction form
1,624,674.26/2,242,084.68 = 889,659.40/x - Step 3: Cross multiply
1,624,674.26x = 2,242,084.68 × 889,659.40 - Step 4: Simplify right side
1,624,674.26x = 1,994,691,712,258.86 - Step 5: Solve for x
x = 1,994,691,712,258.86/1,624,674.26 - Step 6: Final answer
x = 1,227,748.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.