Finding the Fourth Proportional to 1,568,395.10, 2,352,592.65 and 1,556,585.30
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Solution
The fourth proportional to 1,568,395.10, 2,352,592.65 and 1,556,585.30 is: 2,334,877.95
Step by Step Solution
- Step 1: Write the proportion equation
1,568,395.10 : 2,352,592.65 = 1,556,585.30 : x - Step 2: Convert to fraction form
1,568,395.10/2,352,592.65 = 1,556,585.30/x - Step 3: Cross multiply
1,568,395.10x = 2,352,592.65 × 1,556,585.30 - Step 4: Simplify right side
1,568,395.10x = 3,662,011,135,878.05 - Step 5: Solve for x
x = 3,662,011,135,878.05/1,568,395.10 - Step 6: Final answer
x = 2,334,877.95
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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.