Finding the Fourth Proportional to 5,440,511.09, 7,507,905.12 and 2,993,069.49
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Solution
The fourth proportional to 5,440,511.09, 7,507,905.12 and 2,993,069.49 is: 4,130,435.80
Step by Step Solution
- Step 1: Write the proportion equation
5,440,511.09 : 7,507,905.12 = 2,993,069.49 : x - Step 2: Convert to fraction form
5,440,511.09/7,507,905.12 = 2,993,069.49/x - Step 3: Cross multiply
5,440,511.09x = 7,507,905.12 × 2,993,069.49 - Step 4: Simplify right side
5,440,511.09x = 22,471,681,748,486.79 - Step 5: Solve for x
x = 22,471,681,748,486.79/5,440,511.09 - Step 6: Final answer
x = 4,130,435.80
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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.