Finding the Fourth Proportional to 4,208,195.76, 5,803,435.59 and 2,656,762.14
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Solution
The fourth proportional to 4,208,195.76, 5,803,435.59 and 2,656,762.14 is: 3,663,885.63
Step by Step Solution
- Step 1: Write the proportion equation
4,208,195.76 : 5,803,435.59 = 2,656,762.14 : x - Step 2: Convert to fraction form
4,208,195.76/5,803,435.59 = 2,656,762.14/x - Step 3: Cross multiply
4,208,195.76x = 5,803,435.59 × 2,656,762.14 - Step 4: Simplify right side
4,208,195.76x = 15,418,347,957,440.56 - Step 5: Solve for x
x = 15,418,347,957,440.56/4,208,195.76 - Step 6: Final answer
x = 3,663,885.63
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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.