Finding the Fourth Proportional to 1,896,857.11, 2,617,504.59 and 1,069,885.09
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Solution
The fourth proportional to 1,896,857.11, 2,617,504.59 and 1,069,885.09 is: 1,476,352.19
Step by Step Solution
- Step 1: Write the proportion equation
1,896,857.11 : 2,617,504.59 = 1,069,885.09 : x - Step 2: Convert to fraction form
1,896,857.11/2,617,504.59 = 1,069,885.09/x - Step 3: Cross multiply
1,896,857.11x = 2,617,504.59 × 1,069,885.09 - Step 4: Simplify right side
1,896,857.11x = 2,800,429,135,113.41 - Step 5: Solve for x
x = 2,800,429,135,113.41/1,896,857.11 - Step 6: Final answer
x = 1,476,352.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.