Finding the Fourth Proportional to 2,164,874.08, 3,246,351.12 and 1,153,807.60
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Solution
The fourth proportional to 2,164,874.08, 3,246,351.12 and 1,153,807.60 is: 1,730,199.75
Step by Step Solution
- Step 1: Write the proportion equation
2,164,874.08 : 3,246,351.12 = 1,153,807.60 : x - Step 2: Convert to fraction form
2,164,874.08/3,246,351.12 = 1,153,807.60/x - Step 3: Cross multiply
2,164,874.08x = 3,246,351.12 × 1,153,807.60 - Step 4: Simplify right side
2,164,874.08x = 3,745,664,594,524.51 - Step 5: Solve for x
x = 3,745,664,594,524.51/2,164,874.08 - Step 6: Final answer
x = 1,730,199.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.