Finding the Fourth Proportional to 5,460,507.84, 7,535,161.98 and 3,013,138.20
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Solution
The fourth proportional to 5,460,507.84, 7,535,161.98 and 3,013,138.20 is: 4,157,943.74
Step by Step Solution
- Step 1: Write the proportion equation
5,460,507.84 : 7,535,161.98 = 3,013,138.20 : x - Step 2: Convert to fraction form
5,460,507.84/7,535,161.98 = 3,013,138.20/x - Step 3: Cross multiply
5,460,507.84x = 7,535,161.98 × 3,013,138.20 - Step 4: Simplify right side
5,460,507.84x = 22,704,484,405,125.64 - Step 5: Solve for x
x = 22,704,484,405,125.64/5,460,507.84 - Step 6: Final answer
x = 4,157,943.74
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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.