Finding the Fourth Proportional to 3,996,327.36, 5,513,672.70 and 2,445,972.81
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Solution
The fourth proportional to 3,996,327.36, 5,513,672.70 and 2,445,972.81 is: 3,374,671.87
Step by Step Solution
- Step 1: Write the proportion equation
3,996,327.36 : 5,513,672.70 = 2,445,972.81 : x - Step 2: Convert to fraction form
3,996,327.36/5,513,672.70 = 2,445,972.81/x - Step 3: Cross multiply
3,996,327.36x = 5,513,672.70 × 2,445,972.81 - Step 4: Simplify right side
3,996,327.36x = 13,486,293,507,439.29 - Step 5: Solve for x
x = 13,486,293,507,439.29/3,996,327.36 - Step 6: Final answer
x = 3,374,671.87
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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.