Finding the Fourth Proportional to 1,896,135.71, 2,616,692.09 and 1,036,696.95
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Solution
The fourth proportional to 1,896,135.71, 2,616,692.09 and 1,036,696.95 is: 1,430,655.36
Step by Step Solution
- Step 1: Write the proportion equation
1,896,135.71 : 2,616,692.09 = 1,036,696.95 : x - Step 2: Convert to fraction form
1,896,135.71/2,616,692.09 = 1,036,696.95/x - Step 3: Cross multiply
1,896,135.71x = 2,616,692.09 × 1,036,696.95 - Step 4: Simplify right side
1,896,135.71x = 2,712,716,711,383.87 - Step 5: Solve for x
x = 2,712,716,711,383.87/1,896,135.71 - Step 6: Final answer
x = 1,430,655.36
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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.