Finding the Fourth Proportional to 1,719,491.10, 2,581,990.65 and 1,367,432.70
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Solution
The fourth proportional to 1,719,491.10, 2,581,990.65 and 1,367,432.70 is: 2,053,339.18
Step by Step Solution
- Step 1: Write the proportion equation
1,719,491.10 : 2,581,990.65 = 1,367,432.70 : x - Step 2: Convert to fraction form
1,719,491.10/2,581,990.65 = 1,367,432.70/x - Step 3: Cross multiply
1,719,491.10x = 2,581,990.65 × 1,367,432.70 - Step 4: Simplify right side
1,719,491.10x = 3,530,698,445,904.26 - Step 5: Solve for x
x = 3,530,698,445,904.26/1,719,491.10 - Step 6: Final answer
x = 2,053,339.18
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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.