Finding the Fourth Proportional to 5,484,278.87, 8,221,539.93 and 2,603,868.65
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Solution
The fourth proportional to 5,484,278.87, 8,221,539.93 and 2,603,868.65 is: 3,903,486.79
Step by Step Solution
- Step 1: Write the proportion equation
5,484,278.87 : 8,221,539.93 = 2,603,868.65 : x - Step 2: Convert to fraction form
5,484,278.87/8,221,539.93 = 2,603,868.65/x - Step 3: Cross multiply
5,484,278.87x = 8,221,539.93 × 2,603,868.65 - Step 4: Simplify right side
5,484,278.87x = 21,407,810,119,301.68 - Step 5: Solve for x
x = 21,407,810,119,301.68/5,484,278.87 - Step 6: Final answer
x = 3,903,486.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.