Finding the Fourth Proportional to 4,031,112.13, 5,562,934.80 and 2,220,276.13
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Solution
The fourth proportional to 4,031,112.13, 5,562,934.80 and 2,220,276.13 is: 3,063,981.09
Step by Step Solution
- Step 1: Write the proportion equation
4,031,112.13 : 5,562,934.80 = 2,220,276.13 : x - Step 2: Convert to fraction form
4,031,112.13/5,562,934.80 = 2,220,276.13/x - Step 3: Cross multiply
4,031,112.13x = 5,562,934.80 × 2,220,276.13 - Step 4: Simplify right side
4,031,112.13x = 12,351,251,349,186.32 - Step 5: Solve for x
x = 12,351,251,349,186.32/4,031,112.13 - Step 6: Final answer
x = 3,063,981.09
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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.