Finding the Fourth Proportional to 5,235,029.70, 7,852,642.97 and 1,640,717.07
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Solution
The fourth proportional to 5,235,029.70, 7,852,642.97 and 1,640,717.07 is: 2,461,106.45
Step by Step Solution
- Step 1: Write the proportion equation
5,235,029.70 : 7,852,642.97 = 1,640,717.07 : x - Step 2: Convert to fraction form
5,235,029.70/7,852,642.97 = 1,640,717.07/x - Step 3: Cross multiply
5,235,029.70x = 7,852,642.97 × 1,640,717.07 - Step 4: Simplify right side
5,235,029.70x = 12,883,965,357,290.91 - Step 5: Solve for x
x = 12,883,965,357,290.91/5,235,029.70 - Step 6: Final answer
x = 2,461,106.45
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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.