Finding the Fourth Proportional to 3,887,614.80, 5,829,348.60 and 1,641,214.80
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Solution
The fourth proportional to 3,887,614.80, 5,829,348.60 and 1,641,214.80 is: 2,460,946.80
Step by Step Solution
- Step 1: Write the proportion equation
3,887,614.80 : 5,829,348.60 = 1,641,214.80 : x - Step 2: Convert to fraction form
3,887,614.80/5,829,348.60 = 1,641,214.80/x - Step 3: Cross multiply
3,887,614.80x = 5,829,348.60 × 1,641,214.80 - Step 4: Simplify right side
3,887,614.80x = 9,567,213,196,679.28 - Step 5: Solve for x
x = 9,567,213,196,679.28/3,887,614.80 - Step 6: Final answer
x = 2,460,946.80
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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.