Finding the Fourth Proportional to 2,819,370.44, 3,890,734.97 and 1,530,210.99
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Solution
The fourth proportional to 2,819,370.44, 3,890,734.97 and 1,530,210.99 is: 2,111,693.21
Step by Step Solution
- Step 1: Write the proportion equation
2,819,370.44 : 3,890,734.97 = 1,530,210.99 : x - Step 2: Convert to fraction form
2,819,370.44/3,890,734.97 = 1,530,210.99/x - Step 3: Cross multiply
2,819,370.44x = 3,890,734.97 × 1,530,210.99 - Step 4: Simplify right side
2,819,370.44x = 5,953,645,417,210.52 - Step 5: Solve for x
x = 5,953,645,417,210.52/2,819,370.44 - Step 6: Final answer
x = 2,111,693.21
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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.