Finding the Fourth Proportional to 4,818,153.06, 7,236,215.73 and 4,241,980.62
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Solution
The fourth proportional to 4,818,153.06, 7,236,215.73 and 4,241,980.62 is: 6,370,882.47
Step by Step Solution
- Step 1: Write the proportion equation
4,818,153.06 : 7,236,215.73 = 4,241,980.62 : x - Step 2: Convert to fraction form
4,818,153.06/7,236,215.73 = 4,241,980.62/x - Step 3: Cross multiply
4,818,153.06x = 7,236,215.73 × 4,241,980.62 - Step 4: Simplify right side
4,818,153.06x = 30,695,886,888,799.16 - Step 5: Solve for x
x = 30,695,886,888,799.16/4,818,153.06 - Step 6: Final answer
x = 6,370,882.47
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1.5x scale
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.