Finding the Fourth Proportional to 2,049,989.12, 2,829,012.11 and 1,132,215.48
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Solution
The fourth proportional to 2,049,989.12, 2,829,012.11 and 1,132,215.48 is: 1,562,472.34
Step by Step Solution
- Step 1: Write the proportion equation
2,049,989.12 : 2,829,012.11 = 1,132,215.48 : x - Step 2: Convert to fraction form
2,049,989.12/2,829,012.11 = 1,132,215.48/x - Step 3: Cross multiply
2,049,989.12x = 2,829,012.11 × 1,132,215.48 - Step 4: Simplify right side
2,049,989.12x = 3,203,051,302,634.19 - Step 5: Solve for x
x = 3,203,051,302,634.19/2,049,989.12 - Step 6: Final answer
x = 1,562,472.34
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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.