Finding the Fourth Proportional to 3,160,389.68, 4,360,576.52 and 1,919,964
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Solution
The fourth proportional to 3,160,389.68, 4,360,576.52 and 1,919,964 is: 2,649,087.86
Step by Step Solution
- Step 1: Write the proportion equation
3,160,389.68 : 4,360,576.52 = 1,919,964 : x - Step 2: Convert to fraction form
3,160,389.68/4,360,576.52 = 1,919,964/x - Step 3: Cross multiply
3,160,389.68x = 4,360,576.52 × 1,919,964 - Step 4: Simplify right side
3,160,389.68x = 8,372,149,937,645.28 - Step 5: Solve for x
x = 8,372,149,937,645.28/3,160,389.68 - Step 6: Final answer
x = 2,649,087.86
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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.