Finding the Fourth Proportional to 2,220,251.70, 3,063,947.28 and 1,201,656.48
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Solution
The fourth proportional to 2,220,251.70, 3,063,947.28 and 1,201,656.48 is: 1,658,285.91
Step by Step Solution
- Step 1: Write the proportion equation
2,220,251.70 : 3,063,947.28 = 1,201,656.48 : x - Step 2: Convert to fraction form
2,220,251.70/3,063,947.28 = 1,201,656.48/x - Step 3: Cross multiply
2,220,251.70x = 3,063,947.28 × 1,201,656.48 - Step 4: Simplify right side
2,220,251.70x = 3,681,812,103,390.37 - Step 5: Solve for x
x = 3,681,812,103,390.37/2,220,251.70 - Step 6: Final answer
x = 1,658,285.91
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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.