Finding the Fourth Proportional to 2,819,363.36, 3,890,725.08 and 1,530,203.60
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Solution
The fourth proportional to 2,819,363.36, 3,890,725.08 and 1,530,203.60 is: 2,111,682.95
Step by Step Solution
- Step 1: Write the proportion equation
2,819,363.36 : 3,890,725.08 = 1,530,203.60 : x - Step 2: Convert to fraction form
2,819,363.36/3,890,725.08 = 1,530,203.60/x - Step 3: Cross multiply
2,819,363.36x = 3,890,725.08 × 1,530,203.60 - Step 4: Simplify right side
2,819,363.36x = 5,953,601,524,026.29 - Step 5: Solve for x
x = 5,953,601,524,026.29/2,819,363.36 - Step 6: Final answer
x = 2,111,682.95
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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.