Finding the Fourth Proportional to 2,319,790.98, 3,201,305 and 1,287,454.62
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Solution
The fourth proportional to 2,319,790.98, 3,201,305 and 1,287,454.62 is: 1,776,683.74
Step by Step Solution
- Step 1: Write the proportion equation
2,319,790.98 : 3,201,305 = 1,287,454.62 : x - Step 2: Convert to fraction form
2,319,790.98/3,201,305 = 1,287,454.62/x - Step 3: Cross multiply
2,319,790.98x = 3,201,305 × 1,287,454.62 - Step 4: Simplify right side
2,319,790.98x = 4,121,534,912,279.10 - Step 5: Solve for x
x = 4,121,534,912,279.10/2,319,790.98 - Step 6: Final answer
x = 1,776,683.74
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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.