Finding the Fourth Proportional to 4,285,035.24, 6,423,033.78 and 1,405,650.12
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Solution
The fourth proportional to 4,285,035.24, 6,423,033.78 and 1,405,650.12 is: 2,106,992.75
Step by Step Solution
- Step 1: Write the proportion equation
4,285,035.24 : 6,423,033.78 = 1,405,650.12 : x - Step 2: Convert to fraction form
4,285,035.24/6,423,033.78 = 1,405,650.12/x - Step 3: Cross multiply
4,285,035.24x = 6,423,033.78 × 1,405,650.12 - Step 4: Simplify right side
4,285,035.24x = 9,028,538,203,621.06 - Step 5: Solve for x
x = 9,028,538,203,621.06/4,285,035.24 - Step 6: Final answer
x = 2,106,992.75
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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.