Finding the Fourth Proportional to 3,887,774.80, 5,829,588.60 and 1,641,374.80
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Solution
The fourth proportional to 3,887,774.80, 5,829,588.60 and 1,641,374.80 is: 2,461,186.75
Step by Step Solution
- Step 1: Write the proportion equation
3,887,774.80 : 5,829,588.60 = 1,641,374.80 : x - Step 2: Convert to fraction form
3,887,774.80/5,829,588.60 = 1,641,374.80/x - Step 3: Cross multiply
3,887,774.80x = 5,829,588.60 × 1,641,374.80 - Step 4: Simplify right side
3,887,774.80x = 9,568,539,822,407.28 - Step 5: Solve for x
x = 9,568,539,822,407.28/3,887,774.80 - Step 6: Final answer
x = 2,461,186.75
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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.