Finding the Fourth Proportional to 5,698,400.22, 7,863,763.59 and 3,120,034.14
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Solution
The fourth proportional to 5,698,400.22, 7,863,763.59 and 3,120,034.14 is: 4,305,631.39
Step by Step Solution
- Step 1: Write the proportion equation
5,698,400.22 : 7,863,763.59 = 3,120,034.14 : x - Step 2: Convert to fraction form
5,698,400.22/7,863,763.59 = 3,120,034.14/x - Step 3: Cross multiply
5,698,400.22x = 7,863,763.59 × 3,120,034.14 - Step 4: Simplify right side
5,698,400.22x = 24,535,210,869,688.96 - Step 5: Solve for x
x = 24,535,210,869,688.96/5,698,400.22 - Step 6: Final answer
x = 4,305,631.39
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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.