Finding the Fourth Proportional to 2,127,718.74, 2,936,247.68 and 1,160,849.68
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Solution
The fourth proportional to 2,127,718.74, 2,936,247.68 and 1,160,849.68 is: 1,601,970.28
Step by Step Solution
- Step 1: Write the proportion equation
2,127,718.74 : 2,936,247.68 = 1,160,849.68 : x - Step 2: Convert to fraction form
2,127,718.74/2,936,247.68 = 1,160,849.68/x - Step 3: Cross multiply
2,127,718.74x = 2,936,247.68 × 1,160,849.68 - Step 4: Simplify right side
2,127,718.74x = 3,408,542,179,728.74 - Step 5: Solve for x
x = 3,408,542,179,728.74/2,127,718.74 - Step 6: Final answer
x = 1,601,970.28
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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.