Finding the Fourth Proportional to 2,609,462.81, 3,914,756.36 and 787,675.14
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Solution
The fourth proportional to 2,609,462.81, 3,914,756.36 and 787,675.14 is: 1,181,682.40
Step by Step Solution
- Step 1: Write the proportion equation
2,609,462.81 : 3,914,756.36 = 787,675.14 : x - Step 2: Convert to fraction form
2,609,462.81/3,914,756.36 = 787,675.14/x - Step 3: Cross multiply
2,609,462.81x = 3,914,756.36 × 787,675.14 - Step 4: Simplify right side
2,609,462.81x = 3,083,556,259,990.51 - Step 5: Solve for x
x = 3,083,556,259,990.51/2,609,462.81 - Step 6: Final answer
x = 1,181,682.40
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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.