Finding the Fourth Proportional to 1,898,872.19, 2,846,339.93 and 1,187,266.13
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Solution
The fourth proportional to 1,898,872.19, 2,846,339.93 and 1,187,266.13 is: 1,779,668.48
Step by Step Solution
- Step 1: Write the proportion equation
1,898,872.19 : 2,846,339.93 = 1,187,266.13 : x - Step 2: Convert to fraction form
1,898,872.19/2,846,339.93 = 1,187,266.13/x - Step 3: Cross multiply
1,898,872.19x = 2,846,339.93 × 1,187,266.13 - Step 4: Simplify right side
1,898,872.19x = 3,379,362,973,187.54 - Step 5: Solve for x
x = 3,379,362,973,187.54/1,898,872.19 - Step 6: Final answer
x = 1,779,668.48
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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.