Finding the Fourth Proportional to 2,911,557.40, 4,371,272.70 and 1,848,675.40
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Solution
The fourth proportional to 2,911,557.40, 4,371,272.70 and 1,848,675.40 is: 2,775,512.62
Step by Step Solution
- Step 1: Write the proportion equation
2,911,557.40 : 4,371,272.70 = 1,848,675.40 : x - Step 2: Convert to fraction form
2,911,557.40/4,371,272.70 = 1,848,675.40/x - Step 3: Cross multiply
2,911,557.40x = 4,371,272.70 × 1,848,675.40 - Step 4: Simplify right side
2,911,557.40x = 8,081,064,307,181.58 - Step 5: Solve for x
x = 8,081,064,307,181.58/2,911,557.40 - Step 6: Final answer
x = 2,775,512.62
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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.