Finding the Fourth Proportional to 3,469,110.13, 4,787,314.05 and 1,920,339.06
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Solution
The fourth proportional to 3,469,110.13, 4,787,314.05 and 1,920,339.06 is: 2,650,035.84
Step by Step Solution
- Step 1: Write the proportion equation
3,469,110.13 : 4,787,314.05 = 1,920,339.06 : x - Step 2: Convert to fraction form
3,469,110.13/4,787,314.05 = 1,920,339.06/x - Step 3: Cross multiply
3,469,110.13x = 4,787,314.05 × 1,920,339.06 - Step 4: Simplify right side
3,469,110.13x = 9,193,266,162,701.79 - Step 5: Solve for x
x = 9,193,266,162,701.79/3,469,110.13 - Step 6: Final answer
x = 2,650,035.84
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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.