Finding the Fourth Proportional to 6,697,390.02, 9,246,360.30 and 4,218,735.44
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Solution
The fourth proportional to 6,697,390.02, 9,246,360.30 and 4,218,735.44 is: 5,824,350.65
Step by Step Solution
- Step 1: Write the proportion equation
6,697,390.02 : 9,246,360.30 = 4,218,735.44 : x - Step 2: Convert to fraction form
6,697,390.02/9,246,360.30 = 4,218,735.44/x - Step 3: Cross multiply
6,697,390.02x = 9,246,360.30 × 4,218,735.44 - Step 4: Simplify right side
6,697,390.02x = 39,007,947,867,525.36 - Step 5: Solve for x
x = 39,007,947,867,525.36/6,697,390.02 - Step 6: Final answer
x = 5,824,350.65
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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.