Finding the Fourth Proportional to 1,585,265.78, 2,378,327.43 and 1,130,431.44
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Solution
The fourth proportional to 1,585,265.78, 2,378,327.43 and 1,130,431.44 is: 1,695,952.91
Step by Step Solution
- Step 1: Write the proportion equation
1,585,265.78 : 2,378,327.43 = 1,130,431.44 : x - Step 2: Convert to fraction form
1,585,265.78/2,378,327.43 = 1,130,431.44/x - Step 3: Cross multiply
1,585,265.78x = 2,378,327.43 × 1,130,431.44 - Step 4: Simplify right side
1,585,265.78x = 2,688,536,114,644.25 - Step 5: Solve for x
x = 2,688,536,114,644.25/1,585,265.78 - Step 6: Final answer
x = 1,695,952.91
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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.