Finding the Fourth Proportional to 2,069,105.24, 2,855,760.40 and 1,370,154.08
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Solution
The fourth proportional to 2,069,105.24, 2,855,760.40 and 1,370,154.08 is: 1,891,074.31
Step by Step Solution
- Step 1: Write the proportion equation
2,069,105.24 : 2,855,760.40 = 1,370,154.08 : x - Step 2: Convert to fraction form
2,069,105.24/2,855,760.40 = 1,370,154.08/x - Step 3: Cross multiply
2,069,105.24x = 2,855,760.40 × 1,370,154.08 - Step 4: Simplify right side
2,069,105.24x = 3,912,831,763,562.43 - Step 5: Solve for x
x = 3,912,831,763,562.43/2,069,105.24 - Step 6: Final answer
x = 1,891,074.31
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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.