Finding the Fourth Proportional to 2,475,859.98, 3,416,515.68 and 1,373,187.32
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Solution
The fourth proportional to 2,475,859.98, 3,416,515.68 and 1,373,187.32 is: 1,894,903.61
Step by Step Solution
- Step 1: Write the proportion equation
2,475,859.98 : 3,416,515.68 = 1,373,187.32 : x - Step 2: Convert to fraction form
2,475,859.98/3,416,515.68 = 1,373,187.32/x - Step 3: Cross multiply
2,475,859.98x = 3,416,515.68 × 1,373,187.32 - Step 4: Simplify right side
2,475,859.98x = 4,691,516,010,357.18 - Step 5: Solve for x
x = 4,691,516,010,357.18/2,475,859.98 - Step 6: Final answer
x = 1,894,903.61
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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.