Finding the Fourth Proportional to 2,257,776.99, 3,114,927.90 and 1,339,302.60
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Solution
The fourth proportional to 2,257,776.99, 3,114,927.90 and 1,339,302.60 is: 1,847,760.45
Step by Step Solution
- Step 1: Write the proportion equation
2,257,776.99 : 3,114,927.90 = 1,339,302.60 : x - Step 2: Convert to fraction form
2,257,776.99/3,114,927.90 = 1,339,302.60/x - Step 3: Cross multiply
2,257,776.99x = 3,114,927.90 × 1,339,302.60 - Step 4: Simplify right side
2,257,776.99x = 4,171,831,035,282.54 - Step 5: Solve for x
x = 4,171,831,035,282.54/2,257,776.99 - Step 6: Final answer
x = 1,847,760.45
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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.