Finding the Fourth Proportional to 3,167,576.28, 4,751,271.47 and 771,386.09
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Solution
The fourth proportional to 3,167,576.28, 4,751,271.47 and 771,386.09 is: 1,157,056.49
Step by Step Solution
- Step 1: Write the proportion equation
3,167,576.28 : 4,751,271.47 = 771,386.09 : x - Step 2: Convert to fraction form
3,167,576.28/4,751,271.47 = 771,386.09/x - Step 3: Cross multiply
3,167,576.28x = 4,751,271.47 × 771,386.09 - Step 4: Simplify right side
3,167,576.28x = 3,665,064,699,943.96 - Step 5: Solve for x
x = 3,665,064,699,943.96/3,167,576.28 - Step 6: Final answer
x = 1,157,056.49
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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.