Finding the Fourth Proportional to 2,021,026.24, 2,788,353.80 and 1,440,340.80
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Solution
The fourth proportional to 2,021,026.24, 2,788,353.80 and 1,440,340.80 is: 1,987,198.21
Step by Step Solution
- Step 1: Write the proportion equation
2,021,026.24 : 2,788,353.80 = 1,440,340.80 : x - Step 2: Convert to fraction form
2,021,026.24/2,788,353.80 = 1,440,340.80/x - Step 3: Cross multiply
2,021,026.24x = 2,788,353.80 × 1,440,340.80 - Step 4: Simplify right side
2,021,026.24x = 4,016,179,721,831.57 - Step 5: Solve for x
x = 4,016,179,721,831.57/2,021,026.24 - Step 6: Final answer
x = 1,987,198.21
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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.