Finding the Fourth Proportional to 1,513,462.52, 2,270,193.78 and 1,437,782.60
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Solution
The fourth proportional to 1,513,462.52, 2,270,193.78 and 1,437,782.60 is: 2,156,673.90
Step by Step Solution
- Step 1: Write the proportion equation
1,513,462.52 : 2,270,193.78 = 1,437,782.60 : x - Step 2: Convert to fraction form
1,513,462.52/2,270,193.78 = 1,437,782.60/x - Step 3: Cross multiply
1,513,462.52x = 2,270,193.78 × 1,437,782.60 - Step 4: Simplify right side
1,513,462.52x = 3,264,045,115,512.23 - Step 5: Solve for x
x = 3,264,045,115,512.23/1,513,462.52 - Step 6: Final answer
x = 2,156,673.90
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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.