Finding the Fourth Proportional to 3,843,526.28, 5,303,858.09 and 2,124,536.06
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Solution
The fourth proportional to 3,843,526.28, 5,303,858.09 and 2,124,536.06 is: 2,931,744.70
Step by Step Solution
- Step 1: Write the proportion equation
3,843,526.28 : 5,303,858.09 = 2,124,536.06 : x - Step 2: Convert to fraction form
3,843,526.28/5,303,858.09 = 2,124,536.06/x - Step 3: Cross multiply
3,843,526.28x = 5,303,858.09 × 2,124,536.06 - Step 4: Simplify right side
3,843,526.28x = 11,268,237,771,964.69 - Step 5: Solve for x
x = 11,268,237,771,964.69/3,843,526.28 - Step 6: Final answer
x = 2,931,744.70
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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.