Finding the Fourth Proportional to 1,724,588.78, 2,379,936.84 and 1,036,272.13
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Solution
The fourth proportional to 1,724,588.78, 2,379,936.84 and 1,036,272.13 is: 1,430,058.14
Step by Step Solution
- Step 1: Write the proportion equation
1,724,588.78 : 2,379,936.84 = 1,036,272.13 : x - Step 2: Convert to fraction form
1,724,588.78/2,379,936.84 = 1,036,272.13/x - Step 3: Cross multiply
1,724,588.78x = 2,379,936.84 × 1,036,272.13 - Step 4: Simplify right side
1,724,588.78x = 2,466,262,218,452.27 - Step 5: Solve for x
x = 2,466,262,218,452.27/1,724,588.78 - Step 6: Final answer
x = 1,430,058.14
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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.