Finding the Fourth Proportional to 1,855,368.12, 2,782,339.38 and 657,069.24
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Solution
The fourth proportional to 1,855,368.12, 2,782,339.38 and 657,069.24 is: 985,351.43
Step by Step Solution
- Step 1: Write the proportion equation
1,855,368.12 : 2,782,339.38 = 657,069.24 : x - Step 2: Convert to fraction form
1,855,368.12/2,782,339.38 = 657,069.24/x - Step 3: Cross multiply
1,855,368.12x = 2,782,339.38 × 657,069.24 - Step 4: Simplify right side
1,855,368.12x = 1,828,189,621,838.67 - Step 5: Solve for x
x = 1,828,189,621,838.67/1,855,368.12 - Step 6: Final answer
x = 985,351.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.