Finding the Fourth Proportional to 3,581,444.40, 4,941,626.99 and 2,130,856.52
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Solution
The fourth proportional to 3,581,444.40, 4,941,626.99 and 2,130,856.52 is: 2,940,126.07
Step by Step Solution
- Step 1: Write the proportion equation
3,581,444.40 : 4,941,626.99 = 2,130,856.52 : x - Step 2: Convert to fraction form
3,581,444.40/4,941,626.99 = 2,130,856.52/x - Step 3: Cross multiply
3,581,444.40x = 4,941,626.99 × 2,130,856.52 - Step 4: Simplify right side
3,581,444.40x = 10,529,898,055,687.06 - Step 5: Solve for x
x = 10,529,898,055,687.06/3,581,444.40 - Step 6: Final answer
x = 2,940,126.07
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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.