Finding the Fourth Proportional to 1,436,947.39, 2,155,224.26 and 838,190.53
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Solution
The fourth proportional to 1,436,947.39, 2,155,224.26 and 838,190.53 is: 1,257,170.98
Step by Step Solution
- Step 1: Write the proportion equation
1,436,947.39 : 2,155,224.26 = 838,190.53 : x - Step 2: Convert to fraction form
1,436,947.39/2,155,224.26 = 838,190.53/x - Step 3: Cross multiply
1,436,947.39x = 2,155,224.26 × 838,190.53 - Step 4: Simplify right side
1,436,947.39x = 1,806,488,564,832.94 - Step 5: Solve for x
x = 1,806,488,564,832.94/1,436,947.39 - Step 6: Final answer
x = 1,257,170.98
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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.