Finding the Fourth Proportional to 2,191,180.16, 3,023,772.12 and 1,224,318.40
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Solution
The fourth proportional to 2,191,180.16, 3,023,772.12 and 1,224,318.40 is: 1,689,527.82
Step by Step Solution
- Step 1: Write the proportion equation
2,191,180.16 : 3,023,772.12 = 1,224,318.40 : x - Step 2: Convert to fraction form
2,191,180.16/3,023,772.12 = 1,224,318.40/x - Step 3: Cross multiply
2,191,180.16x = 3,023,772.12 × 1,224,318.40 - Step 4: Simplify right side
2,191,180.16x = 3,702,059,843,923.01 - Step 5: Solve for x
x = 3,702,059,843,923.01/2,191,180.16 - Step 6: Final answer
x = 1,689,527.82
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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.