Finding the Fourth Proportional to 1,898,786.88, 2,620,329.84 and 1,039,402.08
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Solution
The fourth proportional to 1,898,786.88, 2,620,329.84 and 1,039,402.08 is: 1,434,377.03
Step by Step Solution
- Step 1: Write the proportion equation
1,898,786.88 : 2,620,329.84 = 1,039,402.08 : x - Step 2: Convert to fraction form
1,898,786.88/2,620,329.84 = 1,039,402.08/x - Step 3: Cross multiply
1,898,786.88x = 2,620,329.84 × 1,039,402.08 - Step 4: Simplify right side
1,898,786.88x = 2,723,576,285,982.07 - Step 5: Solve for x
x = 2,723,576,285,982.07/1,898,786.88 - Step 6: Final answer
x = 1,434,377.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.