Finding the Fourth Proportional to 1,939,475.91, 2,906,261.37 and 927,206.55
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Solution
The fourth proportional to 1,939,475.91, 2,906,261.37 and 927,206.55 is: 1,389,398.32
Step by Step Solution
- Step 1: Write the proportion equation
1,939,475.91 : 2,906,261.37 = 927,206.55 : x - Step 2: Convert to fraction form
1,939,475.91/2,906,261.37 = 927,206.55/x - Step 3: Cross multiply
1,939,475.91x = 2,906,261.37 × 927,206.55 - Step 4: Simplify right side
1,939,475.91x = 2,694,704,578,275.97 - Step 5: Solve for x
x = 2,694,704,578,275.97/1,939,475.91 - Step 6: Final answer
x = 1,389,398.32
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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.