Finding the Fourth Proportional to 2,011,999.26, 2,775,897.63 and 1,247,905.20
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Solution
The fourth proportional to 2,011,999.26, 2,775,897.63 and 1,247,905.20 is: 1,721,698.99
Step by Step Solution
- Step 1: Write the proportion equation
2,011,999.26 : 2,775,897.63 = 1,247,905.20 : x - Step 2: Convert to fraction form
2,011,999.26/2,775,897.63 = 1,247,905.20/x - Step 3: Cross multiply
2,011,999.26x = 2,775,897.63 × 1,247,905.20 - Step 4: Simplify right side
2,011,999.26x = 3,464,057,087,144.68 - Step 5: Solve for x
x = 3,464,057,087,144.68/2,011,999.26 - Step 6: Final answer
x = 1,721,698.99
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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.