Finding the Fourth Proportional to 2,184,349.40, 3,014,416.16 and 1,217,540.99
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Solution
The fourth proportional to 2,184,349.40, 3,014,416.16 and 1,217,540.99 is: 1,680,214.36
Step by Step Solution
- Step 1: Write the proportion equation
2,184,349.40 : 3,014,416.16 = 1,217,540.99 : x - Step 2: Convert to fraction form
2,184,349.40/3,014,416.16 = 1,217,540.99/x - Step 3: Cross multiply
2,184,349.40x = 3,014,416.16 × 1,217,540.99 - Step 4: Simplify right side
2,184,349.40x = 3,670,175,214,558.61 - Step 5: Solve for x
x = 3,670,175,214,558.61/2,184,349.40 - Step 6: Final answer
x = 1,680,214.36
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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.