Finding the Fourth Proportional to 2,104,937.12, 2,904,810.76 and 1,138,065.12
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Solution
The fourth proportional to 2,104,937.12, 2,904,810.76 and 1,138,065.12 is: 1,570,528.53
Step by Step Solution
- Step 1: Write the proportion equation
2,104,937.12 : 2,904,810.76 = 1,138,065.12 : x - Step 2: Convert to fraction form
2,104,937.12/2,904,810.76 = 1,138,065.12/x - Step 3: Cross multiply
2,104,937.12x = 2,904,810.76 × 1,138,065.12 - Step 4: Simplify right side
2,104,937.12x = 3,305,863,807,579.27 - Step 5: Solve for x
x = 3,305,863,807,579.27/2,104,937.12 - Step 6: Final answer
x = 1,570,528.53
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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.