Finding the Fourth Proportional to 2,395,372.64, 3,305,621.75 and 1,535,936.31
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Solution
The fourth proportional to 2,395,372.64, 3,305,621.75 and 1,535,936.31 is: 2,119,596.92
Step by Step Solution
- Step 1: Write the proportion equation
2,395,372.64 : 3,305,621.75 = 1,535,936.31 : x - Step 2: Convert to fraction form
2,395,372.64/3,305,621.75 = 1,535,936.31/x - Step 3: Cross multiply
2,395,372.64x = 3,305,621.75 × 1,535,936.31 - Step 4: Simplify right side
2,395,372.64x = 5,077,224,465,271.06 - Step 5: Solve for x
x = 5,077,224,465,271.06/2,395,372.64 - Step 6: Final answer
x = 2,119,596.92
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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.