Finding the Fourth Proportional to 2,139,801.44, 2,953,228.14 and 1,324,267.79
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Solution
The fourth proportional to 2,139,801.44, 2,953,228.14 and 1,324,267.79 is: 1,827,676.54
Step by Step Solution
- Step 1: Write the proportion equation
2,139,801.44 : 2,953,228.14 = 1,324,267.79 : x - Step 2: Convert to fraction form
2,139,801.44/2,953,228.14 = 1,324,267.79/x - Step 3: Cross multiply
2,139,801.44x = 2,953,228.14 × 1,324,267.79 - Step 4: Simplify right side
2,139,801.44x = 3,910,864,887,557.47 - Step 5: Solve for x
x = 3,910,864,887,557.47/2,139,801.44 - Step 6: Final answer
x = 1,827,676.54
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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.