Finding the Fourth Proportional to 4,968,788.70, 7,453,184.12 and 1,557,074.48
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Solution
The fourth proportional to 4,968,788.70, 7,453,184.12 and 1,557,074.48 is: 2,335,612.05
Step by Step Solution
- Step 1: Write the proportion equation
4,968,788.70 : 7,453,184.12 = 1,557,074.48 : x - Step 2: Convert to fraction form
4,968,788.70/7,453,184.12 = 1,557,074.48/x - Step 3: Cross multiply
4,968,788.70x = 7,453,184.12 × 1,557,074.48 - Step 4: Simplify right side
4,968,788.70x = 11,605,162,748,781.00 - Step 5: Solve for x
x = 11,605,162,748,781.00/4,968,788.70 - Step 6: Final answer
x = 2,335,612.05
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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.