Finding the Fourth Proportional to 2,621,786.74, 3,618,134.13 and 1,475,908.90
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Solution
The fourth proportional to 2,621,786.74, 3,618,134.13 and 1,475,908.90 is: 2,036,792.80
Step by Step Solution
- Step 1: Write the proportion equation
2,621,786.74 : 3,618,134.13 = 1,475,908.90 : x - Step 2: Convert to fraction form
2,621,786.74/3,618,134.13 = 1,475,908.90/x - Step 3: Cross multiply
2,621,786.74x = 3,618,134.13 × 1,475,908.90 - Step 4: Simplify right side
2,621,786.74x = 5,340,036,363,860.76 - Step 5: Solve for x
x = 5,340,036,363,860.76/2,621,786.74 - Step 6: Final answer
x = 2,036,792.80
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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.