Finding the Fourth Proportional to 2,021,024.49, 2,788,351.38 and 1,440,339.05
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Solution
The fourth proportional to 2,021,024.49, 2,788,351.38 and 1,440,339.05 is: 1,987,195.79
Step by Step Solution
- Step 1: Write the proportion equation
2,021,024.49 : 2,788,351.38 = 1,440,339.05 : x - Step 2: Convert to fraction form
2,021,024.49/2,788,351.38 = 1,440,339.05/x - Step 3: Cross multiply
2,021,024.49x = 2,788,351.38 × 1,440,339.05 - Step 4: Simplify right side
2,021,024.49x = 4,016,171,363,793.63 - Step 5: Solve for x
x = 4,016,171,363,793.63/2,021,024.49 - Step 6: Final answer
x = 1,987,195.79
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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.