Finding the Fourth Proportional to 4,943,232.36, 6,821,471.70 and 2,767,571.96
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Solution
The fourth proportional to 4,943,232.36, 6,821,471.70 and 2,767,571.96 is: 3,819,143.51
Step by Step Solution
- Step 1: Write the proportion equation
4,943,232.36 : 6,821,471.70 = 2,767,571.96 : x - Step 2: Convert to fraction form
4,943,232.36/6,821,471.70 = 2,767,571.96/x - Step 3: Cross multiply
4,943,232.36x = 6,821,471.70 × 2,767,571.96 - Step 4: Simplify right side
4,943,232.36x = 18,878,913,768,746.18 - Step 5: Solve for x
x = 18,878,913,768,746.18/4,943,232.36 - Step 6: Final answer
x = 3,819,143.51
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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.