Finding the Fourth Proportional to 2,077,927.20, 3,111,260.49 and 1,078,555.68
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Solution
The fourth proportional to 2,077,927.20, 3,111,260.49 and 1,078,555.68 is: 1,614,911.09
Step by Step Solution
- Step 1: Write the proportion equation
2,077,927.20 : 3,111,260.49 = 1,078,555.68 : x - Step 2: Convert to fraction form
2,077,927.20/3,111,260.49 = 1,078,555.68/x - Step 3: Cross multiply
2,077,927.20x = 3,111,260.49 × 1,078,555.68 - Step 4: Simplify right side
2,077,927.20x = 3,355,667,673,449.08 - Step 5: Solve for x
x = 3,355,667,673,449.08/2,077,927.20 - Step 6: Final answer
x = 1,614,911.09
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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.