Finding the Fourth Proportional to 1,970,742.10, 2,955,194.34 and 1,023,858.58
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Solution
The fourth proportional to 1,970,742.10, 2,955,194.34 and 1,023,858.58 is: 1,535,310.52
Step by Step Solution
- Step 1: Write the proportion equation
1,970,742.10 : 2,955,194.34 = 1,023,858.58 : x - Step 2: Convert to fraction form
1,970,742.10/2,955,194.34 = 1,023,858.58/x - Step 3: Cross multiply
1,970,742.10x = 2,955,194.34 × 1,023,858.58 - Step 4: Simplify right side
1,970,742.10x = 3,025,701,080,576.44 - Step 5: Solve for x
x = 3,025,701,080,576.44/1,970,742.10 - Step 6: Final answer
x = 1,535,310.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.