Finding the Fourth Proportional to 1,621,738.14, 2,238,353.91 and 943,066.14
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Solution
The fourth proportional to 1,621,738.14, 2,238,353.91 and 943,066.14 is: 1,301,637.87
Step by Step Solution
- Step 1: Write the proportion equation
1,621,738.14 : 2,238,353.91 = 943,066.14 : x - Step 2: Convert to fraction form
1,621,738.14/2,238,353.91 = 943,066.14/x - Step 3: Cross multiply
1,621,738.14x = 2,238,353.91 × 943,066.14 - Step 4: Simplify right side
1,621,738.14x = 2,110,915,781,857.61 - Step 5: Solve for x
x = 2,110,915,781,857.61/1,621,738.14 - Step 6: Final answer
x = 1,301,637.87
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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.