Finding the Fourth Proportional to 5,575,540.56, 8,363,757.84 and 2,118,936.18
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Solution
The fourth proportional to 5,575,540.56, 8,363,757.84 and 2,118,936.18 is: 3,178,574.15
Step by Step Solution
- Step 1: Write the proportion equation
5,575,540.56 : 8,363,757.84 = 2,118,936.18 : x - Step 2: Convert to fraction form
5,575,540.56/8,363,757.84 = 2,118,936.18/x - Step 3: Cross multiply
5,575,540.56x = 8,363,757.84 × 2,118,936.18 - Step 4: Simplify right side
5,575,540.56x = 17,722,269,087,934.65 - Step 5: Solve for x
x = 17,722,269,087,934.65/5,575,540.56 - Step 6: Final answer
x = 3,178,574.15
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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.