Finding the Fourth Proportional to 5,440,511.05, 7,507,905.14 and 2,993,069.58
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Solution
The fourth proportional to 5,440,511.05, 7,507,905.14 and 2,993,069.58 is: 4,130,435.95
Step by Step Solution
- Step 1: Write the proportion equation
5,440,511.05 : 7,507,905.14 = 2,993,069.58 : x - Step 2: Convert to fraction form
5,440,511.05/7,507,905.14 = 2,993,069.58/x - Step 3: Cross multiply
5,440,511.05x = 7,507,905.14 × 2,993,069.58 - Step 4: Simplify right side
5,440,511.05x = 22,471,682,446,551.65 - Step 5: Solve for x
x = 22,471,682,446,551.65/5,440,511.05 - Step 6: Final answer
x = 4,130,435.95
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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.