Finding the Fourth Proportional to 4,586,445.21, 6,329,365.20 and 2,521,550.28
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Solution
The fourth proportional to 4,586,445.21, 6,329,365.20 and 2,521,550.28 is: 3,479,778.32
Step by Step Solution
- Step 1: Write the proportion equation
4,586,445.21 : 6,329,365.20 = 2,521,550.28 : x - Step 2: Convert to fraction form
4,586,445.21/6,329,365.20 = 2,521,550.28/x - Step 3: Cross multiply
4,586,445.21x = 6,329,365.20 × 2,521,550.28 - Step 4: Simplify right side
4,586,445.21x = 15,959,812,592,282.26 - Step 5: Solve for x
x = 15,959,812,592,282.26/4,586,445.21 - Step 6: Final answer
x = 3,479,778.32
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1.5x scale
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.