Finding the Fourth Proportional to 2,083,238.12, 2,874,528.60 and 1,212,267.80
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Solution
The fourth proportional to 2,083,238.12, 2,874,528.60 and 1,212,267.80 is: 1,672,731.71
Step by Step Solution
- Step 1: Write the proportion equation
2,083,238.12 : 2,874,528.60 = 1,212,267.80 : x - Step 2: Convert to fraction form
2,083,238.12/2,874,528.60 = 1,212,267.80/x - Step 3: Cross multiply
2,083,238.12x = 2,874,528.60 × 1,212,267.80 - Step 4: Simplify right side
2,083,238.12x = 3,484,698,461,959.08 - Step 5: Solve for x
x = 3,484,698,461,959.08/2,083,238.12 - Step 6: Final answer
x = 1,672,731.71
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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.