Finding the Fourth Proportional to 1,508,374.94, 2,081,539.07 and 1,122,912.54
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Solution
The fourth proportional to 1,508,374.94, 2,081,539.07 and 1,122,912.54 is: 1,549,605.65
Step by Step Solution
- Step 1: Write the proportion equation
1,508,374.94 : 2,081,539.07 = 1,122,912.54 : x - Step 2: Convert to fraction form
1,508,374.94/2,081,539.07 = 1,122,912.54/x - Step 3: Cross multiply
1,508,374.94x = 2,081,539.07 × 1,122,912.54 - Step 4: Simplify right side
1,508,374.94x = 2,337,386,324,202.94 - Step 5: Solve for x
x = 2,337,386,324,202.94/1,508,374.94 - Step 6: Final answer
x = 1,549,605.65
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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.