Finding the Fourth Proportional to 1,400,944.60, 2,101,416.90 and 922,647.70
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Solution
The fourth proportional to 1,400,944.60, 2,101,416.90 and 922,647.70 is: 1,383,971.55
Step by Step Solution
- Step 1: Write the proportion equation
1,400,944.60 : 2,101,416.90 = 922,647.70 : x - Step 2: Convert to fraction form
1,400,944.60/2,101,416.90 = 922,647.70/x - Step 3: Cross multiply
1,400,944.60x = 2,101,416.90 × 922,647.70 - Step 4: Simplify right side
1,400,944.60x = 1,938,867,469,526.13 - Step 5: Solve for x
x = 1,938,867,469,526.13/1,400,944.60 - Step 6: Final answer
x = 1,383,971.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.