Finding the Fourth Proportional to 4,212,216.96, 6,318,317.76 and 1,372,325.76
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Solution
The fourth proportional to 4,212,216.96, 6,318,317.76 and 1,372,325.76 is: 2,058,486.14
Step by Step Solution
- Step 1: Write the proportion equation
4,212,216.96 : 6,318,317.76 = 1,372,325.76 : x - Step 2: Convert to fraction form
4,212,216.96/6,318,317.76 = 1,372,325.76/x - Step 3: Cross multiply
4,212,216.96x = 6,318,317.76 × 1,372,325.76 - Step 4: Simplify right side
4,212,216.96x = 8,670,790,221,913.50 - Step 5: Solve for x
x = 8,670,790,221,913.50/4,212,216.96 - Step 6: Final answer
x = 2,058,486.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.