Finding the Fourth Proportional to 2,178,937.36, 3,268,930.68 and 683,029.36
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Solution
The fourth proportional to 2,178,937.36, 3,268,930.68 and 683,029.36 is: 1,024,708.50
Step by Step Solution
- Step 1: Write the proportion equation
2,178,937.36 : 3,268,930.68 = 683,029.36 : x - Step 2: Convert to fraction form
2,178,937.36/3,268,930.68 = 683,029.36/x - Step 3: Cross multiply
2,178,937.36x = 3,268,930.68 × 683,029.36 - Step 4: Simplify right side
2,178,937.36x = 2,232,775,630,244.76 - Step 5: Solve for x
x = 2,232,775,630,244.76/2,178,937.36 - Step 6: Final answer
x = 1,024,708.50
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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.