Finding the Fourth Proportional to 1,636,355.28, 2,256,238.08 and 1,120,359.36
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Solution
The fourth proportional to 1,636,355.28, 2,256,238.08 and 1,120,359.36 is: 1,544,773.00
Step by Step Solution
- Step 1: Write the proportion equation
1,636,355.28 : 2,256,238.08 = 1,120,359.36 : x - Step 2: Convert to fraction form
1,636,355.28/2,256,238.08 = 1,120,359.36/x - Step 3: Cross multiply
1,636,355.28x = 2,256,238.08 × 1,120,359.36 - Step 4: Simplify right side
1,636,355.28x = 2,527,797,451,316.43 - Step 5: Solve for x
x = 2,527,797,451,316.43/1,636,355.28 - Step 6: Final answer
x = 1,544,773.00
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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.