Finding the Fourth Proportional to 5,944,878.76, 8,203,980.90 and 3,228,644.20
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Solution
The fourth proportional to 5,944,878.76, 8,203,980.90 and 3,228,644.20 is: 4,455,555.18
Step by Step Solution
- Step 1: Write the proportion equation
5,944,878.76 : 8,203,980.90 = 3,228,644.20 : x - Step 2: Convert to fraction form
5,944,878.76/8,203,980.90 = 3,228,644.20/x - Step 3: Cross multiply
5,944,878.76x = 8,203,980.90 × 3,228,644.20 - Step 4: Simplify right side
5,944,878.76x = 26,487,735,349,695.78 - Step 5: Solve for x
x = 26,487,735,349,695.78/5,944,878.76 - Step 6: Final answer
x = 4,455,555.18
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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.