Finding the Fourth Proportional to 2,122,817.19, 2,929,535.35 and 1,204,959.87
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Solution
The fourth proportional to 2,122,817.19, 2,929,535.35 and 1,204,959.87 is: 1,662,871.66
Step by Step Solution
- Step 1: Write the proportion equation
2,122,817.19 : 2,929,535.35 = 1,204,959.87 : x - Step 2: Convert to fraction form
2,122,817.19/2,929,535.35 = 1,204,959.87/x - Step 3: Cross multiply
2,122,817.19x = 2,929,535.35 × 1,204,959.87 - Step 4: Simplify right side
2,122,817.19x = 3,529,972,534,496.41 - Step 5: Solve for x
x = 3,529,972,534,496.41/2,122,817.19 - Step 6: Final answer
x = 1,662,871.66
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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.