Finding the Fourth Proportional to 2,385,774.55, 3,294,355.35 and 2,212,684.43
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Solution
The fourth proportional to 2,385,774.55, 3,294,355.35 and 2,212,684.43 is: 3,055,346.87
Step by Step Solution
- Step 1: Write the proportion equation
2,385,774.55 : 3,294,355.35 = 2,212,684.43 : x - Step 2: Convert to fraction form
2,385,774.55/3,294,355.35 = 2,212,684.43/x - Step 3: Cross multiply
2,385,774.55x = 3,294,355.35 × 2,212,684.43 - Step 4: Simplify right side
2,385,774.55x = 7,289,368,789,832.20 - Step 5: Solve for x
x = 7,289,368,789,832.20/2,385,774.55 - Step 6: Final answer
x = 3,055,346.87
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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.