Finding the Fourth Proportional to 1,533,034.13, 2,115,118.77 and 888,329.75
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Solution
The fourth proportional to 1,533,034.13, 2,115,118.77 and 888,329.75 is: 1,225,623.68
Step by Step Solution
- Step 1: Write the proportion equation
1,533,034.13 : 2,115,118.77 = 888,329.75 : x - Step 2: Convert to fraction form
1,533,034.13/2,115,118.77 = 888,329.75/x - Step 3: Cross multiply
1,533,034.13x = 2,115,118.77 × 888,329.75 - Step 4: Simplify right side
1,533,034.13x = 1,878,922,928,174.41 - Step 5: Solve for x
x = 1,878,922,928,174.41/1,533,034.13 - Step 6: Final answer
x = 1,225,623.68
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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.