Finding the Fourth Proportional to 1,533,029.13, 2,115,111.87 and 888,324.75
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Solution
The fourth proportional to 1,533,029.13, 2,115,111.87 and 888,324.75 is: 1,225,616.78
Step by Step Solution
- Step 1: Write the proportion equation
1,533,029.13 : 2,115,111.87 = 888,324.75 : x - Step 2: Convert to fraction form
1,533,029.13/2,115,111.87 = 888,324.75/x - Step 3: Cross multiply
1,533,029.13x = 2,115,111.87 × 888,324.75 - Step 4: Simplify right side
1,533,029.13x = 1,878,906,223,139.78 - Step 5: Solve for x
x = 1,878,906,223,139.78/1,533,029.13 - Step 6: Final answer
x = 1,225,616.78
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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.