Finding the Fourth Proportional to 2,378,642.44, 3,569,467.84 and 1,243,453.36
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Solution
The fourth proportional to 2,378,642.44, 3,569,467.84 and 1,243,453.36 is: 1,865,966.36
Step by Step Solution
- Step 1: Write the proportion equation
2,378,642.44 : 3,569,467.84 = 1,243,453.36 : x - Step 2: Convert to fraction form
2,378,642.44/3,569,467.84 = 1,243,453.36/x - Step 3: Cross multiply
2,378,642.44x = 3,569,467.84 × 1,243,453.36 - Step 4: Simplify right side
2,378,642.44x = 4,438,466,779,059.94 - Step 5: Solve for x
x = 4,438,466,779,059.94/2,378,642.44 - Step 6: Final answer
x = 1,865,966.36
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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.