Finding the Fourth Proportional to 2,164,797.36, 2,985,446.34 and 1,858,777.74
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Solution
The fourth proportional to 2,164,797.36, 2,985,446.34 and 1,858,777.74 is: 2,563,418.31
Step by Step Solution
- Step 1: Write the proportion equation
2,164,797.36 : 2,985,446.34 = 1,858,777.74 : x - Step 2: Convert to fraction form
2,164,797.36/2,985,446.34 = 1,858,777.74/x - Step 3: Cross multiply
2,164,797.36x = 2,985,446.34 × 1,858,777.74 - Step 4: Simplify right side
2,164,797.36x = 5,549,281,200,756.47 - Step 5: Solve for x
x = 5,549,281,200,756.47/2,164,797.36 - Step 6: Final answer
x = 2,563,418.31
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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.