Finding the Fourth Proportional to 1,916,806.60, 2,869,226.70 and 1,411,936.84
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Solution
The fourth proportional to 1,916,806.60, 2,869,226.70 and 1,411,936.84 is: 2,113,497.98
Step by Step Solution
- Step 1: Write the proportion equation
1,916,806.60 : 2,869,226.70 = 1,411,936.84 : x - Step 2: Convert to fraction form
1,916,806.60/2,869,226.70 = 1,411,936.84/x - Step 3: Cross multiply
1,916,806.60x = 2,869,226.70 × 1,411,936.84 - Step 4: Simplify right side
1,916,806.60x = 4,051,166,880,041.63 - Step 5: Solve for x
x = 4,051,166,880,041.63/1,916,806.60 - Step 6: Final answer
x = 2,113,497.98
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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.