Finding the Fourth Proportional to 4,073,430.92, 5,621,433.68 and 2,238,008.08
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Solution
The fourth proportional to 4,073,430.92, 5,621,433.68 and 2,238,008.08 is: 3,088,505.55
Step by Step Solution
- Step 1: Write the proportion equation
4,073,430.92 : 5,621,433.68 = 2,238,008.08 : x - Step 2: Convert to fraction form
4,073,430.92/5,621,433.68 = 2,238,008.08/x - Step 3: Cross multiply
4,073,430.92x = 5,621,433.68 × 2,238,008.08 - Step 4: Simplify right side
4,073,430.92x = 12,580,813,997,024.13 - Step 5: Solve for x
x = 12,580,813,997,024.13/4,073,430.92 - Step 6: Final answer
x = 3,088,505.55
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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.