Finding the Fourth Proportional to 6,456,380.24, 8,909,696.04 and 3,556,041.20
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Solution
The fourth proportional to 6,456,380.24, 8,909,696.04 and 3,556,041.20 is: 4,907,276.99
Step by Step Solution
- Step 1: Write the proportion equation
6,456,380.24 : 8,909,696.04 = 3,556,041.20 : x - Step 2: Convert to fraction form
6,456,380.24/8,909,696.04 = 3,556,041.20/x - Step 3: Cross multiply
6,456,380.24x = 8,909,696.04 × 3,556,041.20 - Step 4: Simplify right side
6,456,380.24x = 31,683,246,197,716.85 - Step 5: Solve for x
x = 31,683,246,197,716.85/6,456,380.24 - Step 6: Final answer
x = 4,907,276.99
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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.