Finding the Fourth Proportional to 1,855,658, 2,560,813.44 and 1,081,748.36
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Solution
The fourth proportional to 1,855,658, 2,560,813.44 and 1,081,748.36 is: 1,492,815.88
Step by Step Solution
- Step 1: Write the proportion equation
1,855,658 : 2,560,813.44 = 1,081,748.36 : x - Step 2: Convert to fraction form
1,855,658/2,560,813.44 = 1,081,748.36/x - Step 3: Cross multiply
1,855,658x = 2,560,813.44 × 1,081,748.36 - Step 4: Simplify right side
1,855,658x = 2,770,155,738,985.96 - Step 5: Solve for x
x = 2,770,155,738,985.96/1,855,658 - Step 6: Final answer
x = 1,492,815.88
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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.