Finding the Fourth Proportional to 2,422,629.72, 3,343,202.28 and 1,376,043.84
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Solution
The fourth proportional to 2,422,629.72, 3,343,202.28 and 1,376,043.84 is: 1,898,925.31
Step by Step Solution
- Step 1: Write the proportion equation
2,422,629.72 : 3,343,202.28 = 1,376,043.84 : x - Step 2: Convert to fraction form
2,422,629.72/3,343,202.28 = 1,376,043.84/x - Step 3: Cross multiply
2,422,629.72x = 3,343,202.28 × 1,376,043.84 - Step 4: Simplify right side
2,422,629.72x = 4,600,392,903,267.96 - Step 5: Solve for x
x = 4,600,392,903,267.96/2,422,629.72 - Step 6: Final answer
x = 1,898,925.31
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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.