Finding the Fourth Proportional to 3,248,722.09, 4,483,271.94 and 1,798,441.74
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Solution
The fourth proportional to 3,248,722.09, 4,483,271.94 and 1,798,441.74 is: 2,481,869.23
Step by Step Solution
- Step 1: Write the proportion equation
3,248,722.09 : 4,483,271.94 = 1,798,441.74 : x - Step 2: Convert to fraction form
3,248,722.09/4,483,271.94 = 1,798,441.74/x - Step 3: Cross multiply
3,248,722.09x = 4,483,271.94 × 1,798,441.74 - Step 4: Simplify right side
3,248,722.09x = 8,062,903,388,666.78 - Step 5: Solve for x
x = 8,062,903,388,666.78/3,248,722.09 - Step 6: Final answer
x = 2,481,869.23
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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.