Finding the Fourth Proportional to 3,577,720.32, 4,937,227.20 and 2,029,276.80
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Solution
The fourth proportional to 3,577,720.32, 4,937,227.20 and 2,029,276.80 is: 2,800,386.76
Step by Step Solution
- Step 1: Write the proportion equation
3,577,720.32 : 4,937,227.20 = 2,029,276.80 : x - Step 2: Convert to fraction form
3,577,720.32/4,937,227.20 = 2,029,276.80/x - Step 3: Cross multiply
3,577,720.32x = 4,937,227.20 × 2,029,276.80 - Step 4: Simplify right side
3,577,720.32x = 10,019,000,613,288.96 - Step 5: Solve for x
x = 10,019,000,613,288.96/3,577,720.32 - Step 6: Final answer
x = 2,800,386.76
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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.