Finding the Fourth Proportional to 2,219,814.13, 3,063,365.36 and 1,201,240.75
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Solution
The fourth proportional to 2,219,814.13, 3,063,365.36 and 1,201,240.75 is: 1,657,724.06
Step by Step Solution
- Step 1: Write the proportion equation
2,219,814.13 : 3,063,365.36 = 1,201,240.75 : x - Step 2: Convert to fraction form
2,219,814.13/3,063,365.36 = 1,201,240.75/x - Step 3: Cross multiply
2,219,814.13x = 3,063,365.36 × 1,201,240.75 - Step 4: Simplify right side
2,219,814.13x = 3,679,839,302,570.42 - Step 5: Solve for x
x = 3,679,839,302,570.42/2,219,814.13 - Step 6: Final answer
x = 1,657,724.06
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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.