Finding the Fourth Proportional to 3,258,921.79, 4,497,014.90 and 1,934,117.08
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Solution
The fourth proportional to 3,258,921.79, 4,497,014.90 and 1,934,117.08 is: 2,668,905.20
Step by Step Solution
- Step 1: Write the proportion equation
3,258,921.79 : 4,497,014.90 = 1,934,117.08 : x - Step 2: Convert to fraction form
3,258,921.79/4,497,014.90 = 1,934,117.08/x - Step 3: Cross multiply
3,258,921.79x = 4,497,014.90 × 1,934,117.08 - Step 4: Simplify right side
3,258,921.79x = 8,697,753,327,104.49 - Step 5: Solve for x
x = 8,697,753,327,104.49/3,258,921.79 - Step 6: Final answer
x = 2,668,905.20
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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.