Finding the Fourth Proportional to 3,184,921.81, 4,398,113.06 and 2,023,750.56
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Solution
The fourth proportional to 3,184,921.81, 4,398,113.06 and 2,023,750.56 is: 2,794,631.80
Step by Step Solution
- Step 1: Write the proportion equation
3,184,921.81 : 4,398,113.06 = 2,023,750.56 : x - Step 2: Convert to fraction form
3,184,921.81/4,398,113.06 = 2,023,750.56/x - Step 3: Cross multiply
3,184,921.81x = 4,398,113.06 × 2,023,750.56 - Step 4: Simplify right side
3,184,921.81x = 8,900,683,768,118.31 - Step 5: Solve for x
x = 8,900,683,768,118.31/3,184,921.81 - Step 6: Final answer
x = 2,794,631.80
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1.5x scale
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.