Finding the Fourth Proportional to 1,900,571.60, 2,621,794.44 and 1,175,187.44
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Solution
The fourth proportional to 1,900,571.60, 2,621,794.44 and 1,175,187.44 is: 1,621,143.82
Step by Step Solution
- Step 1: Write the proportion equation
1,900,571.60 : 2,621,794.44 = 1,175,187.44 : x - Step 2: Convert to fraction form
1,900,571.60/2,621,794.44 = 1,175,187.44/x - Step 3: Cross multiply
1,900,571.60x = 2,621,794.44 × 1,175,187.44 - Step 4: Simplify right side
1,900,571.60x = 3,081,099,896,149.83 - Step 5: Solve for x
x = 3,081,099,896,149.83/1,900,571.60 - Step 6: Final answer
x = 1,621,143.82
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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.