Finding the Fourth Proportional to 4,254,129.20, 5,873,573.03 and 3,272,324.78
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Solution
The fourth proportional to 4,254,129.20, 5,873,573.03 and 3,272,324.78 is: 4,518,019.47
Step by Step Solution
- Step 1: Write the proportion equation
4,254,129.20 : 5,873,573.03 = 3,272,324.78 : x - Step 2: Convert to fraction form
4,254,129.20/5,873,573.03 = 3,272,324.78/x - Step 3: Cross multiply
4,254,129.20x = 5,873,573.03 × 3,272,324.78 - Step 4: Simplify right side
4,254,129.20x = 19,220,238,527,479.20 - Step 5: Solve for x
x = 19,220,238,527,479.20/4,254,129.20 - Step 6: Final answer
x = 4,518,019.47
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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.