Finding the Fourth Proportional to 4,990,270.36, 7,484,302.14 and 1,395,070.80
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Solution
The fourth proportional to 4,990,270.36, 7,484,302.14 and 1,395,070.80 is: 2,092,297.74
Step by Step Solution
- Step 1: Write the proportion equation
4,990,270.36 : 7,484,302.14 = 1,395,070.80 : x - Step 2: Convert to fraction form
4,990,270.36/7,484,302.14 = 1,395,070.80/x - Step 3: Cross multiply
4,990,270.36x = 7,484,302.14 × 1,395,070.80 - Step 4: Simplify right side
4,990,270.36x = 10,441,131,373,891.51 - Step 5: Solve for x
x = 10,441,131,373,891.51/4,990,270.36 - Step 6: Final answer
x = 2,092,297.74
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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.