Finding the Fourth Proportional to 2,754,078.21, 3,800,551.86 and 1,530,352.08
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Solution
The fourth proportional to 2,754,078.21, 3,800,551.86 and 1,530,352.08 is: 2,111,843.60
Step by Step Solution
- Step 1: Write the proportion equation
2,754,078.21 : 3,800,551.86 = 1,530,352.08 : x - Step 2: Convert to fraction form
2,754,078.21/3,800,551.86 = 1,530,352.08/x - Step 3: Cross multiply
2,754,078.21x = 3,800,551.86 × 1,530,352.08 - Step 4: Simplify right side
2,754,078.21x = 5,816,182,444,098.87 - Step 5: Solve for x
x = 5,816,182,444,098.87/2,754,078.21 - Step 6: Final answer
x = 2,111,843.60
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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.