Finding the Fourth Proportional to 1,787,515.90, 2,686,522.65 and 1,556,568.70
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Solution
The fourth proportional to 1,787,515.90, 2,686,522.65 and 1,556,568.70 is: 2,339,423.70
Step by Step Solution
- Step 1: Write the proportion equation
1,787,515.90 : 2,686,522.65 = 1,556,568.70 : x - Step 2: Convert to fraction form
1,787,515.90/2,686,522.65 = 1,556,568.70/x - Step 3: Cross multiply
1,787,515.90x = 2,686,522.65 × 1,556,568.70 - Step 4: Simplify right side
1,787,515.90x = 4,181,757,068,831.06 - Step 5: Solve for x
x = 4,181,757,068,831.06/1,787,515.90 - Step 6: Final answer
x = 2,339,423.70
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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.