Finding the Fourth Proportional to 1,827,874.74, 2,742,745.69 and 1,221,077.92
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Solution
The fourth proportional to 1,827,874.74, 2,742,745.69 and 1,221,077.92 is: 1,832,240.54
Step by Step Solution
- Step 1: Write the proportion equation
1,827,874.74 : 2,742,745.69 = 1,221,077.92 : x - Step 2: Convert to fraction form
1,827,874.74/2,742,745.69 = 1,221,077.92/x - Step 3: Cross multiply
1,827,874.74x = 2,742,745.69 × 1,221,077.92 - Step 4: Simplify right side
1,827,874.74x = 3,349,106,202,234.16 - Step 5: Solve for x
x = 3,349,106,202,234.16/1,827,874.74 - Step 6: Final answer
x = 1,832,240.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.