Finding the Fourth Proportional to 5,307,903, 7,964,878.41 and 2,069,019.18
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Solution
The fourth proportional to 5,307,903, 7,964,878.41 and 2,069,019.18 is: 3,104,707.49
Step by Step Solution
- Step 1: Write the proportion equation
5,307,903 : 7,964,878.41 = 2,069,019.18 : x - Step 2: Convert to fraction form
5,307,903/7,964,878.41 = 2,069,019.18/x - Step 3: Cross multiply
5,307,903x = 7,964,878.41 × 2,069,019.18 - Step 4: Simplify right side
5,307,903x = 16,479,486,196,657.90 - Step 5: Solve for x
x = 16,479,486,196,657.90/5,307,903 - Step 6: Final answer
x = 3,104,707.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.