Finding the Fourth Proportional to 1,899,337.93, 2,621,473.95 and 1,287,687.36
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Solution
The fourth proportional to 1,899,337.93, 2,621,473.95 and 1,287,687.36 is: 1,777,271.33
Step by Step Solution
- Step 1: Write the proportion equation
1,899,337.93 : 2,621,473.95 = 1,287,687.36 : x - Step 2: Convert to fraction form
1,899,337.93/2,621,473.95 = 1,287,687.36/x - Step 3: Cross multiply
1,899,337.93x = 2,621,473.95 × 1,287,687.36 - Step 4: Simplify right side
1,899,337.93x = 3,375,638,856,876.90 - Step 5: Solve for x
x = 3,375,638,856,876.90/1,899,337.93 - Step 6: Final answer
x = 1,777,271.33
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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.