Finding the Fourth Proportional to 6,505,698.21, 8,977,916.68 and 3,605,137.52
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Solution
The fourth proportional to 6,505,698.21, 8,977,916.68 and 3,605,137.52 is: 4,975,119.23
Step by Step Solution
- Step 1: Write the proportion equation
6,505,698.21 : 8,977,916.68 = 3,605,137.52 : x - Step 2: Convert to fraction form
6,505,698.21/8,977,916.68 = 3,605,137.52/x - Step 3: Cross multiply
6,505,698.21x = 8,977,916.68 × 3,605,137.52 - Step 4: Simplify right side
6,505,698.21x = 32,366,624,271,100.19 - Step 5: Solve for x
x = 32,366,624,271,100.19/6,505,698.21 - Step 6: Final answer
x = 4,975,119.23
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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.