Finding the Fourth Proportional to 2,438,649.33, 3,357,658.15 and 2,070,398.09
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Solution
The fourth proportional to 2,438,649.33, 3,357,658.15 and 2,070,398.09 is: 2,850,630.85
Step by Step Solution
- Step 1: Write the proportion equation
2,438,649.33 : 3,357,658.15 = 2,070,398.09 : x - Step 2: Convert to fraction form
2,438,649.33/3,357,658.15 = 2,070,398.09/x - Step 3: Cross multiply
2,438,649.33x = 3,357,658.15 × 2,070,398.09 - Step 4: Simplify right side
2,438,649.33x = 6,951,689,004,964.26 - Step 5: Solve for x
x = 6,951,689,004,964.26/2,438,649.33 - Step 6: Final answer
x = 2,850,630.85
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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.