Finding the Fourth Proportional to 2,128,809.36, 3,193,722.45 and 708,877.74
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Solution
The fourth proportional to 2,128,809.36, 3,193,722.45 and 708,877.74 is: 1,063,485.91
Step by Step Solution
- Step 1: Write the proportion equation
2,128,809.36 : 3,193,722.45 = 708,877.74 : x - Step 2: Convert to fraction form
2,128,809.36/3,193,722.45 = 708,877.74/x - Step 3: Cross multiply
2,128,809.36x = 3,193,722.45 × 708,877.74 - Step 4: Simplify right side
2,128,809.36x = 2,263,958,752,543.26 - Step 5: Solve for x
x = 2,263,958,752,543.26/2,128,809.36 - Step 6: Final answer
x = 1,063,485.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.