Finding the Fourth Proportional to 5,477,377.68, 8,175,935.34 and 4,830,968.52
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Solution
The fourth proportional to 5,477,377.68, 8,175,935.34 and 4,830,968.52 is: 7,211,057.66
Step by Step Solution
- Step 1: Write the proportion equation
5,477,377.68 : 8,175,935.34 = 4,830,968.52 : x - Step 2: Convert to fraction form
5,477,377.68/8,175,935.34 = 4,830,968.52/x - Step 3: Cross multiply
5,477,377.68x = 8,175,935.34 × 4,830,968.52 - Step 4: Simplify right side
5,477,377.68x = 39,497,686,249,095.49 - Step 5: Solve for x
x = 39,497,686,249,095.49/5,477,377.68 - Step 6: Final answer
x = 7,211,057.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.