Finding the Fourth Proportional to 1,641,652.26, 2,462,857.65 and 519,721.26
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Solution
The fourth proportional to 1,641,652.26, 2,462,857.65 and 519,721.26 is: 779,701.96
Step by Step Solution
- Step 1: Write the proportion equation
1,641,652.26 : 2,462,857.65 = 519,721.26 : x - Step 2: Convert to fraction form
1,641,652.26/2,462,857.65 = 519,721.26/x - Step 3: Cross multiply
1,641,652.26x = 2,462,857.65 × 519,721.26 - Step 4: Simplify right side
1,641,652.26x = 1,279,999,481,058.64 - Step 5: Solve for x
x = 1,279,999,481,058.64/1,641,652.26 - Step 6: Final answer
x = 779,701.96
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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.