Finding the Fourth Proportional to 2,716,908.06, 3,749,254.05 and 1,555,315.11
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Solution
The fourth proportional to 2,716,908.06, 3,749,254.05 and 1,555,315.11 is: 2,146,289.59
Step by Step Solution
- Step 1: Write the proportion equation
2,716,908.06 : 3,749,254.05 = 1,555,315.11 : x - Step 2: Convert to fraction form
2,716,908.06/3,749,254.05 = 1,555,315.11/x - Step 3: Cross multiply
2,716,908.06x = 3,749,254.05 × 1,555,315.11 - Step 4: Simplify right side
2,716,908.06x = 5,831,271,475,193.70 - Step 5: Solve for x
x = 5,831,271,475,193.70/2,716,908.06 - Step 6: Final answer
x = 2,146,289.59
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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.