Finding the Fourth Proportional to 4,137,659.48, 6,206,722.67 and 1,259,120.11
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Solution
The fourth proportional to 4,137,659.48, 6,206,722.67 and 1,259,120.11 is: 1,888,751.21
Step by Step Solution
- Step 1: Write the proportion equation
4,137,659.48 : 6,206,722.67 = 1,259,120.11 : x - Step 2: Convert to fraction form
4,137,659.48/6,206,722.67 = 1,259,120.11/x - Step 3: Cross multiply
4,137,659.48x = 6,206,722.67 × 1,259,120.11 - Step 4: Simplify right side
4,137,659.48x = 7,815,009,330,989.90 - Step 5: Solve for x
x = 7,815,009,330,989.90/4,137,659.48 - Step 6: Final answer
x = 1,888,751.21
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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.