Finding the Fourth Proportional to 4,722,317.07, 6,516,767.46 and 2,685,126.75
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Solution
The fourth proportional to 4,722,317.07, 6,516,767.46 and 2,685,126.75 is: 3,705,457.80
Step by Step Solution
- Step 1: Write the proportion equation
4,722,317.07 : 6,516,767.46 = 2,685,126.75 : x - Step 2: Convert to fraction form
4,722,317.07/6,516,767.46 = 2,685,126.75/x - Step 3: Cross multiply
4,722,317.07x = 6,516,767.46 × 2,685,126.75 - Step 4: Simplify right side
4,722,317.07x = 17,498,346,630,375.55 - Step 5: Solve for x
x = 17,498,346,630,375.55/4,722,317.07 - Step 6: Final answer
x = 3,705,457.80
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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.