Finding the Fourth Proportional to 6,133,947.08, 8,464,818.74 and 3,380,628.56
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Solution
The fourth proportional to 6,133,947.08, 8,464,818.74 and 3,380,628.56 is: 4,665,251.85
Step by Step Solution
- Step 1: Write the proportion equation
6,133,947.08 : 8,464,818.74 = 3,380,628.56 : x - Step 2: Convert to fraction form
6,133,947.08/8,464,818.74 = 3,380,628.56/x - Step 3: Cross multiply
6,133,947.08x = 8,464,818.74 × 3,380,628.56 - Step 4: Simplify right side
6,133,947.08x = 28,616,407,987,667.21 - Step 5: Solve for x
x = 28,616,407,987,667.21/6,133,947.08 - Step 6: Final answer
x = 4,665,251.85
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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.