Finding the Fourth Proportional to 1,378,040.23, 2,067,106.79 and 1,058,677.48
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Solution
The fourth proportional to 1,378,040.23, 2,067,106.79 and 1,058,677.48 is: 1,588,051.90
Step by Step Solution
- Step 1: Write the proportion equation
1,378,040.23 : 2,067,106.79 = 1,058,677.48 : x - Step 2: Convert to fraction form
1,378,040.23/2,067,106.79 = 1,058,677.48/x - Step 3: Cross multiply
1,378,040.23x = 2,067,106.79 × 1,058,677.48 - Step 4: Simplify right side
1,378,040.23x = 2,188,399,407,328.09 - Step 5: Solve for x
x = 2,188,399,407,328.09/1,378,040.23 - Step 6: Final answer
x = 1,588,051.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.