Finding the Fourth Proportional to 3,168,713.52, 4,751,876.99 and 1,146,457.49
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Solution
The fourth proportional to 3,168,713.52, 4,751,876.99 and 1,146,457.49 is: 1,719,254.50
Step by Step Solution
- Step 1: Write the proportion equation
3,168,713.52 : 4,751,876.99 = 1,146,457.49 : x - Step 2: Convert to fraction form
3,168,713.52/4,751,876.99 = 1,146,457.49/x - Step 3: Cross multiply
3,168,713.52x = 4,751,876.99 × 1,146,457.49 - Step 4: Simplify right side
3,168,713.52x = 5,447,824,961,011.87 - Step 5: Solve for x
x = 5,447,824,961,011.87/3,168,713.52 - Step 6: Final answer
x = 1,719,254.50
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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.