Finding the Fourth Proportional to 1,939,208.04, 2,907,838.85 and 1,129,854.02
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Solution
The fourth proportional to 1,939,208.04, 2,907,838.85 and 1,129,854.02 is: 1,694,213.99
Step by Step Solution
- Step 1: Write the proportion equation
1,939,208.04 : 2,907,838.85 = 1,129,854.02 : x - Step 2: Convert to fraction form
1,939,208.04/2,907,838.85 = 1,129,854.02/x - Step 3: Cross multiply
1,939,208.04x = 2,907,838.85 × 1,129,854.02 - Step 4: Simplify right side
1,939,208.04x = 3,285,433,393,996.21 - Step 5: Solve for x
x = 3,285,433,393,996.21/1,939,208.04 - Step 6: Final answer
x = 1,694,213.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.