Finding the Fourth Proportional to 1,542,077.28, 2,128,225.68 and 888,726.24
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Solution
The fourth proportional to 1,542,077.28, 2,128,225.68 and 888,726.24 is: 1,226,533.87
Step by Step Solution
- Step 1: Write the proportion equation
1,542,077.28 : 2,128,225.68 = 888,726.24 : x - Step 2: Convert to fraction form
1,542,077.28/2,128,225.68 = 888,726.24/x - Step 3: Cross multiply
1,542,077.28x = 2,128,225.68 × 888,726.24 - Step 4: Simplify right side
1,542,077.28x = 1,891,410,006,457.84 - Step 5: Solve for x
x = 1,891,410,006,457.84/1,542,077.28 - Step 6: Final answer
x = 1,226,533.87
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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.