Finding the Fourth Proportional to 2,177,762.88, 3,267,393.24 and 1,279,955.76
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Solution
The fourth proportional to 2,177,762.88, 3,267,393.24 and 1,279,955.76 is: 1,920,373.81
Step by Step Solution
- Step 1: Write the proportion equation
2,177,762.88 : 3,267,393.24 = 1,279,955.76 : x - Step 2: Convert to fraction form
2,177,762.88/3,267,393.24 = 1,279,955.76/x - Step 3: Cross multiply
2,177,762.88x = 3,267,393.24 × 1,279,955.76 - Step 4: Simplify right side
2,177,762.88x = 4,182,118,797,723.06 - Step 5: Solve for x
x = 4,182,118,797,723.06/2,177,762.88 - Step 6: Final answer
x = 1,920,373.81
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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.