Finding the Fourth Proportional to 4,872,653.16, 6,724,179.97 and 2,697,149.64
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Solution
The fourth proportional to 4,872,653.16, 6,724,179.97 and 2,697,149.64 is: 3,722,021.45
Step by Step Solution
- Step 1: Write the proportion equation
4,872,653.16 : 6,724,179.97 = 2,697,149.64 : x - Step 2: Convert to fraction form
4,872,653.16/6,724,179.97 = 2,697,149.64/x - Step 3: Cross multiply
4,872,653.16x = 6,724,179.97 × 2,697,149.64 - Step 4: Simplify right side
4,872,653.16x = 18,136,119,603,853.51 - Step 5: Solve for x
x = 18,136,119,603,853.51/4,872,653.16 - Step 6: Final answer
x = 3,722,021.45
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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.