Finding the Fourth Proportional to 1,825,780.23, 2,518,727.81 and 1,181,408.49
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Solution
The fourth proportional to 1,825,780.23, 2,518,727.81 and 1,181,408.49 is: 1,629,794.41
Step by Step Solution
- Step 1: Write the proportion equation
1,825,780.23 : 2,518,727.81 = 1,181,408.49 : x - Step 2: Convert to fraction form
1,825,780.23/2,518,727.81 = 1,181,408.49/x - Step 3: Cross multiply
1,825,780.23x = 2,518,727.81 × 1,181,408.49 - Step 4: Simplify right side
1,825,780.23x = 2,975,646,412,826.06 - Step 5: Solve for x
x = 2,975,646,412,826.06/1,825,780.23 - Step 6: Final answer
x = 1,629,794.41
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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.