Finding the Fourth Proportional to 4,892,572.12, 6,751,973.64 and 2,717,124.88
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Solution
The fourth proportional to 4,892,572.12, 6,751,973.64 and 2,717,124.88 is: 3,749,756.80
Step by Step Solution
- Step 1: Write the proportion equation
4,892,572.12 : 6,751,973.64 = 2,717,124.88 : x - Step 2: Convert to fraction form
4,892,572.12/6,751,973.64 = 2,717,124.88/x - Step 3: Cross multiply
4,892,572.12x = 6,751,973.64 × 2,717,124.88 - Step 4: Simplify right side
4,892,572.12x = 18,345,955,566,348.16 - Step 5: Solve for x
x = 18,345,955,566,348.16/4,892,572.12 - Step 6: Final answer
x = 3,749,756.80
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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.