Finding the Fourth Proportional to 4,266,040, 6,401,421.84 and 2,555,980.96
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Solution
The fourth proportional to 4,266,040, 6,401,421.84 and 2,555,980.96 is: 3,835,386.53
Step by Step Solution
- Step 1: Write the proportion equation
4,266,040 : 6,401,421.84 = 2,555,980.96 : x - Step 2: Convert to fraction form
4,266,040/6,401,421.84 = 2,555,980.96/x - Step 3: Cross multiply
4,266,040x = 6,401,421.84 × 2,555,980.96 - Step 4: Simplify right side
4,266,040x = 16,361,912,339,968.17 - Step 5: Solve for x
x = 16,361,912,339,968.17/4,266,040 - Step 6: Final answer
x = 3,835,386.53
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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.