Finding the Fourth Proportional to 3,806,415.79, 5,252,367.90 and 2,174,928.77
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Solution
The fourth proportional to 3,806,415.79, 5,252,367.90 and 2,174,928.77 is: 3,001,124.08
Step by Step Solution
- Step 1: Write the proportion equation
3,806,415.79 : 5,252,367.90 = 2,174,928.77 : x - Step 2: Convert to fraction form
3,806,415.79/5,252,367.90 = 2,174,928.77/x - Step 3: Cross multiply
3,806,415.79x = 5,252,367.90 × 2,174,928.77 - Step 4: Simplify right side
3,806,415.79x = 11,423,526,065,387.41 - Step 5: Solve for x
x = 11,423,526,065,387.41/3,806,415.79 - Step 6: Final answer
x = 3,001,124.08
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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.