Finding the Fourth Proportional to 1,680,023.46, 2,520,030.41 and 417,851.09
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Solution
The fourth proportional to 1,680,023.46, 2,520,030.41 and 417,851.09 is: 626,775.44
Step by Step Solution
- Step 1: Write the proportion equation
1,680,023.46 : 2,520,030.41 = 417,851.09 : x - Step 2: Convert to fraction form
1,680,023.46/2,520,030.41 = 417,851.09/x - Step 3: Cross multiply
1,680,023.46x = 2,520,030.41 × 417,851.09 - Step 4: Simplify right side
1,680,023.46x = 1,052,997,438,962.24 - Step 5: Solve for x
x = 1,052,997,438,962.24/1,680,023.46 - Step 6: Final answer
x = 626,775.44
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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.