Finding the Fourth Proportional to 4,664,477.58, 6,436,695.60 and 2,571,228.06
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Solution
The fourth proportional to 4,664,477.58, 6,436,695.60 and 2,571,228.06 is: 3,548,138.47
Step by Step Solution
- Step 1: Write the proportion equation
4,664,477.58 : 6,436,695.60 = 2,571,228.06 : x - Step 2: Convert to fraction form
4,664,477.58/6,436,695.60 = 2,571,228.06/x - Step 3: Cross multiply
4,664,477.58x = 6,436,695.60 × 2,571,228.06 - Step 4: Simplify right side
4,664,477.58x = 16,550,212,340,398.54 - Step 5: Solve for x
x = 16,550,212,340,398.54/4,664,477.58 - Step 6: Final answer
x = 3,548,138.47
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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.