Finding the Fourth Proportional to 1,956,198.30, 2,698,624.11 and 1,303,127.94
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Solution
The fourth proportional to 1,956,198.30, 2,698,624.11 and 1,303,127.94 is: 1,797,697.34
Step by Step Solution
- Step 1: Write the proportion equation
1,956,198.30 : 2,698,624.11 = 1,303,127.94 : x - Step 2: Convert to fraction form
1,956,198.30/2,698,624.11 = 1,303,127.94/x - Step 3: Cross multiply
1,956,198.30x = 2,698,624.11 × 1,303,127.94 - Step 4: Simplify right side
1,956,198.30x = 3,516,652,477,298.63 - Step 5: Solve for x
x = 3,516,652,477,298.63/1,956,198.30 - Step 6: Final answer
x = 1,797,697.34
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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.