Finding the Fourth Proportional to 1,641,909.47, 2,462,037.34 and 547,306.74
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Solution
The fourth proportional to 1,641,909.47, 2,462,037.34 and 547,306.74 is: 820,684.49
Step by Step Solution
- Step 1: Write the proportion equation
1,641,909.47 : 2,462,037.34 = 547,306.74 : x - Step 2: Convert to fraction form
1,641,909.47/2,462,037.34 = 547,306.74/x - Step 3: Cross multiply
1,641,909.47x = 2,462,037.34 × 547,306.74 - Step 4: Simplify right side
1,641,909.47x = 1,347,489,629,971.60 - Step 5: Solve for x
x = 1,347,489,629,971.60/1,641,909.47 - Step 6: Final answer
x = 820,684.49
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1.5x scale
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.