Finding the Fourth Proportional to 1,939,284.72, 2,676,291.84 and 1,079,790.48
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Solution
The fourth proportional to 1,939,284.72, 2,676,291.84 and 1,079,790.48 is: 1,490,154.81
Step by Step Solution
- Step 1: Write the proportion equation
1,939,284.72 : 2,676,291.84 = 1,079,790.48 : x - Step 2: Convert to fraction form
1,939,284.72/2,676,291.84 = 1,079,790.48/x - Step 3: Cross multiply
1,939,284.72x = 2,676,291.84 × 1,079,790.48 - Step 4: Simplify right side
1,939,284.72x = 2,889,834,450,533.68 - Step 5: Solve for x
x = 2,889,834,450,533.68/1,939,284.72 - Step 6: Final answer
x = 1,490,154.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.