Finding the Fourth Proportional to 2,141,979.24, 2,956,192.73 and 1,224,247.06
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Solution
The fourth proportional to 2,141,979.24, 2,956,192.73 and 1,224,247.06 is: 1,689,610.34
Step by Step Solution
- Step 1: Write the proportion equation
2,141,979.24 : 2,956,192.73 = 1,224,247.06 : x - Step 2: Convert to fraction form
2,141,979.24/2,956,192.73 = 1,224,247.06/x - Step 3: Cross multiply
2,141,979.24x = 2,956,192.73 × 1,224,247.06 - Step 4: Simplify right side
2,141,979.24x = 3,619,110,264,104.00 - Step 5: Solve for x
x = 3,619,110,264,104.00/2,141,979.24 - Step 6: Final answer
x = 1,689,610.34
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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.