Finding the Fourth Proportional to 5,742,697.08, 7,925,269.92 and 3,164,374.68
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Solution
The fourth proportional to 5,742,697.08, 7,925,269.92 and 3,164,374.68 is: 4,367,028.79
Step by Step Solution
- Step 1: Write the proportion equation
5,742,697.08 : 7,925,269.92 = 3,164,374.68 : x - Step 2: Convert to fraction form
5,742,697.08/7,925,269.92 = 3,164,374.68/x - Step 3: Cross multiply
5,742,697.08x = 7,925,269.92 × 3,164,374.68 - Step 4: Simplify right side
5,742,697.08x = 25,078,523,467,013.62 - Step 5: Solve for x
x = 25,078,523,467,013.62/5,742,697.08 - Step 6: Final answer
x = 4,367,028.79
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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.