Finding the Fourth Proportional to 4,090,948.21, 5,644,257.28 and 2,371,725.55
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Solution
The fourth proportional to 4,090,948.21, 5,644,257.28 and 2,371,725.55 is: 3,272,255.85
Step by Step Solution
- Step 1: Write the proportion equation
4,090,948.21 : 5,644,257.28 = 2,371,725.55 : x - Step 2: Convert to fraction form
4,090,948.21/5,644,257.28 = 2,371,725.55/x - Step 3: Cross multiply
4,090,948.21x = 5,644,257.28 × 2,371,725.55 - Step 4: Simplify right side
4,090,948.21x = 13,386,629,201,749.50 - Step 5: Solve for x
x = 13,386,629,201,749.50/4,090,948.21 - Step 6: Final answer
x = 3,272,255.85
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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.