Finding the Fourth Proportional to 1,852,462.87, 2,555,212.53 and 1,485,819.75
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Solution
The fourth proportional to 1,852,462.87, 2,555,212.53 and 1,485,819.75 is: 2,049,479.81
Step by Step Solution
- Step 1: Write the proportion equation
1,852,462.87 : 2,555,212.53 = 1,485,819.75 : x - Step 2: Convert to fraction form
1,852,462.87/2,555,212.53 = 1,485,819.75/x - Step 3: Cross multiply
1,852,462.87x = 2,555,212.53 × 1,485,819.75 - Step 4: Simplify right side
1,852,462.87x = 3,796,585,242,521.47 - Step 5: Solve for x
x = 3,796,585,242,521.47/1,852,462.87 - Step 6: Final answer
x = 2,049,479.81
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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.