Finding the Fourth Proportional to 2,105,224.53, 2,905,207.79 and 1,138,352.51
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Solution
The fourth proportional to 2,105,224.53, 2,905,207.79 and 1,138,352.51 is: 1,570,925.35
Step by Step Solution
- Step 1: Write the proportion equation
2,105,224.53 : 2,905,207.79 = 1,138,352.51 : x - Step 2: Convert to fraction form
2,105,224.53/2,905,207.79 = 1,138,352.51/x - Step 3: Cross multiply
2,105,224.53x = 2,905,207.79 × 1,138,352.51 - Step 4: Simplify right side
2,105,224.53x = 3,307,150,579,818.05 - Step 5: Solve for x
x = 3,307,150,579,818.05/2,105,224.53 - Step 6: Final answer
x = 1,570,925.35
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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.