Finding the Fourth Proportional to 1,539,604.36, 2,309,134.38 and 417,760.84
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Solution
The fourth proportional to 1,539,604.36, 2,309,134.38 and 417,760.84 is: 626,567.41
Step by Step Solution
- Step 1: Write the proportion equation
1,539,604.36 : 2,309,134.38 = 417,760.84 : x - Step 2: Convert to fraction form
1,539,604.36/2,309,134.38 = 417,760.84/x - Step 3: Cross multiply
1,539,604.36x = 2,309,134.38 × 417,760.84 - Step 4: Simplify right side
1,539,604.36x = 964,665,918,261.68 - Step 5: Solve for x
x = 964,665,918,261.68/1,539,604.36 - Step 6: Final answer
x = 626,567.41
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1.5x scale
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.