Finding the Fourth Proportional to 1,972,635.51, 2,959,889.31 and 1,366,356.09
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Solution
The fourth proportional to 1,972,635.51, 2,959,889.31 and 1,366,356.09 is: 2,050,182.49
Step by Step Solution
- Step 1: Write the proportion equation
1,972,635.51 : 2,959,889.31 = 1,366,356.09 : x - Step 2: Convert to fraction form
1,972,635.51/2,959,889.31 = 1,366,356.09/x - Step 3: Cross multiply
1,972,635.51x = 2,959,889.31 × 1,366,356.09 - Step 4: Simplify right side
1,972,635.51x = 4,044,262,784,444.40 - Step 5: Solve for x
x = 4,044,262,784,444.40/1,972,635.51 - Step 6: Final answer
x = 2,050,182.49
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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.