Finding the Fourth Proportional to 2,106,734.36, 2,907,293.36 and 1,139,864.64
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Solution
The fourth proportional to 2,106,734.36, 2,907,293.36 and 1,139,864.64 is: 1,573,013.17
Step by Step Solution
- Step 1: Write the proportion equation
2,106,734.36 : 2,907,293.36 = 1,139,864.64 : x - Step 2: Convert to fraction form
2,106,734.36/2,907,293.36 = 1,139,864.64/x - Step 3: Cross multiply
2,106,734.36x = 2,907,293.36 × 1,139,864.64 - Step 4: Simplify right side
2,106,734.36x = 3,313,920,893,471.47 - Step 5: Solve for x
x = 3,313,920,893,471.47/2,106,734.36 - Step 6: Final answer
x = 1,573,013.17
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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.