Finding the Fourth Proportional to 2,213,379.93, 3,054,474.72 and 1,246,526.67
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Solution
The fourth proportional to 2,213,379.93, 3,054,474.72 and 1,246,526.67 is: 1,720,212.67
Step by Step Solution
- Step 1: Write the proportion equation
2,213,379.93 : 3,054,474.72 = 1,246,526.67 : x - Step 2: Convert to fraction form
2,213,379.93/3,054,474.72 = 1,246,526.67/x - Step 3: Cross multiply
2,213,379.93x = 3,054,474.72 × 1,246,526.67 - Step 4: Simplify right side
2,213,379.93x = 3,807,484,201,320.78 - Step 5: Solve for x
x = 3,807,484,201,320.78/2,213,379.93 - Step 6: Final answer
x = 1,720,212.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.