Finding the Fourth Proportional to 4,686,749.79, 6,467,409.41 and 2,621,407.74
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Solution
The fourth proportional to 4,686,749.79, 6,467,409.41 and 2,621,407.74 is: 3,617,371.92
Step by Step Solution
- Step 1: Write the proportion equation
4,686,749.79 : 6,467,409.41 = 2,621,407.74 : x - Step 2: Convert to fraction form
4,686,749.79/6,467,409.41 = 2,621,407.74/x - Step 3: Cross multiply
4,686,749.79x = 6,467,409.41 × 2,621,407.74 - Step 4: Simplify right side
4,686,749.79x = 16,953,717,072,015.80 - Step 5: Solve for x
x = 16,953,717,072,015.80/4,686,749.79 - Step 6: Final answer
x = 3,617,371.92
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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.