Finding the Fourth Proportional to 2,079,139.44, 2,869,236.36 and 1,219,714.32
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Solution
The fourth proportional to 2,079,139.44, 2,869,236.36 and 1,219,714.32 is: 1,683,219.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,139.44 : 2,869,236.36 = 1,219,714.32 : x - Step 2: Convert to fraction form
2,079,139.44/2,869,236.36 = 1,219,714.32/x - Step 3: Cross multiply
2,079,139.44x = 2,869,236.36 × 1,219,714.32 - Step 4: Simplify right side
2,079,139.44x = 3,499,648,675,756.68 - Step 5: Solve for x
x = 3,499,648,675,756.68/2,079,139.44 - Step 6: Final answer
x = 1,683,219.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.