Finding the Fourth Proportional to 2,129,166.13, 2,930,791.36 and 1,856,753.41
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Solution
The fourth proportional to 2,129,166.13, 2,930,791.36 and 1,856,753.41 is: 2,555,816.00
Step by Step Solution
- Step 1: Write the proportion equation
2,129,166.13 : 2,930,791.36 = 1,856,753.41 : x - Step 2: Convert to fraction form
2,129,166.13/2,930,791.36 = 1,856,753.41/x - Step 3: Cross multiply
2,129,166.13x = 2,930,791.36 × 1,856,753.41 - Step 4: Simplify right side
2,129,166.13x = 5,441,756,851,678.54 - Step 5: Solve for x
x = 5,441,756,851,678.54/2,129,166.13 - Step 6: Final answer
x = 2,555,816.00
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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.