Finding the Fourth Proportional to 2,111,372.64, 3,167,031.96 and 513,937.08
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Solution
The fourth proportional to 2,111,372.64, 3,167,031.96 and 513,937.08 is: 770,899.05
Step by Step Solution
- Step 1: Write the proportion equation
2,111,372.64 : 3,167,031.96 = 513,937.08 : x - Step 2: Convert to fraction form
2,111,372.64/3,167,031.96 = 513,937.08/x - Step 3: Cross multiply
2,111,372.64x = 3,167,031.96 × 513,937.08 - Step 4: Simplify right side
2,111,372.64x = 1,627,655,157,789.08 - Step 5: Solve for x
x = 1,627,655,157,789.08/2,111,372.64 - Step 6: Final answer
x = 770,899.05
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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.