Finding the Fourth Proportional to 4,315,298.70, 6,479,946.45 and 2,901,621.90
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Solution
The fourth proportional to 4,315,298.70, 6,479,946.45 and 2,901,621.90 is: 4,357,138.60
Step by Step Solution
- Step 1: Write the proportion equation
4,315,298.70 : 6,479,946.45 = 2,901,621.90 : x - Step 2: Convert to fraction form
4,315,298.70/6,479,946.45 = 2,901,621.90/x - Step 3: Cross multiply
4,315,298.70x = 6,479,946.45 × 2,901,621.90 - Step 4: Simplify right side
4,315,298.70x = 18,802,354,530,147.25 - Step 5: Solve for x
x = 18,802,354,530,147.25/4,315,298.70 - Step 6: Final answer
x = 4,357,138.60
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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.