Finding the Fourth Proportional to 2,309,184.60, 3,186,430.52 and 1,276,526.02
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Solution
The fourth proportional to 2,309,184.60, 3,186,430.52 and 1,276,526.02 is: 1,761,470.90
Step by Step Solution
- Step 1: Write the proportion equation
2,309,184.60 : 3,186,430.52 = 1,276,526.02 : x - Step 2: Convert to fraction form
2,309,184.60/3,186,430.52 = 1,276,526.02/x - Step 3: Cross multiply
2,309,184.60x = 3,186,430.52 × 1,276,526.02 - Step 4: Simplify right side
2,309,184.60x = 4,067,561,469,702.13 - Step 5: Solve for x
x = 4,067,561,469,702.13/2,309,184.60 - Step 6: Final answer
x = 1,761,470.90
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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.