Finding the Fourth Proportional to 3,026,462.78, 4,176,367.68 and 1,719,542.18
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Solution
The fourth proportional to 3,026,462.78, 4,176,367.68 and 1,719,542.18 is: 2,372,882.45
Step by Step Solution
- Step 1: Write the proportion equation
3,026,462.78 : 4,176,367.68 = 1,719,542.18 : x - Step 2: Convert to fraction form
3,026,462.78/4,176,367.68 = 1,719,542.18/x - Step 3: Cross multiply
3,026,462.78x = 4,176,367.68 × 1,719,542.18 - Step 4: Simplify right side
3,026,462.78x = 7,181,440,395,389.66 - Step 5: Solve for x
x = 7,181,440,395,389.66/3,026,462.78 - Step 6: Final answer
x = 2,372,882.45
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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.