Finding the Fourth Proportional to 2,115,340.32, 3,174,271.25 and 767,608.06
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Solution
The fourth proportional to 2,115,340.32, 3,174,271.25 and 767,608.06 is: 1,151,869.60
Step by Step Solution
- Step 1: Write the proportion equation
2,115,340.32 : 3,174,271.25 = 767,608.06 : x - Step 2: Convert to fraction form
2,115,340.32/3,174,271.25 = 767,608.06/x - Step 3: Cross multiply
2,115,340.32x = 3,174,271.25 × 767,608.06 - Step 4: Simplify right side
2,115,340.32x = 2,436,596,192,288.24 - Step 5: Solve for x
x = 2,436,596,192,288.24/2,115,340.32 - Step 6: Final answer
x = 1,151,869.60
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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.