Finding the Fourth Proportional to 1,557,984.63, 2,330,827.80 and 1,179,994.49
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Solution
The fourth proportional to 1,557,984.63, 2,330,827.80 and 1,179,994.49 is: 1,765,334.46
Step by Step Solution
- Step 1: Write the proportion equation
1,557,984.63 : 2,330,827.80 = 1,179,994.49 : x - Step 2: Convert to fraction form
1,557,984.63/2,330,827.80 = 1,179,994.49/x - Step 3: Cross multiply
1,557,984.63x = 2,330,827.80 × 1,179,994.49 - Step 4: Simplify right side
1,557,984.63x = 2,750,363,961,138.82 - Step 5: Solve for x
x = 2,750,363,961,138.82/1,557,984.63 - Step 6: Final answer
x = 1,765,334.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.