Finding the Fourth Proportional to 2,146,258.10, 2,958,876.60 and 1,712,149.08
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Solution
The fourth proportional to 2,146,258.10, 2,958,876.60 and 1,712,149.08 is: 2,360,404.77
Step by Step Solution
- Step 1: Write the proportion equation
2,146,258.10 : 2,958,876.60 = 1,712,149.08 : x - Step 2: Convert to fraction form
2,146,258.10/2,958,876.60 = 1,712,149.08/x - Step 3: Cross multiply
2,146,258.10x = 2,958,876.60 × 1,712,149.08 - Step 4: Simplify right side
2,146,258.10x = 5,066,037,848,523.53 - Step 5: Solve for x
x = 5,066,037,848,523.53/2,146,258.10 - Step 6: Final answer
x = 2,360,404.77
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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.