Finding the Fourth Proportional to 3,248,721.34, 4,483,270.91 and 1,798,440.99
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Solution
The fourth proportional to 3,248,721.34, 4,483,270.91 and 1,798,440.99 is: 2,481,868.19
Step by Step Solution
- Step 1: Write the proportion equation
3,248,721.34 : 4,483,270.91 = 1,798,440.99 : x - Step 2: Convert to fraction form
3,248,721.34/4,483,270.91 = 1,798,440.99/x - Step 3: Cross multiply
3,248,721.34x = 4,483,270.91 × 1,798,440.99 - Step 4: Simplify right side
3,248,721.34x = 8,062,898,142,410.04 - Step 5: Solve for x
x = 8,062,898,142,410.04/3,248,721.34 - Step 6: Final answer
x = 2,481,868.19
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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.