Finding the Fourth Proportional to 1,787,775.12, 2,467,129.44 and 982,959.12
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Solution
The fourth proportional to 1,787,775.12, 2,467,129.44 and 982,959.12 is: 1,356,483.46
Step by Step Solution
- Step 1: Write the proportion equation
1,787,775.12 : 2,467,129.44 = 982,959.12 : x - Step 2: Convert to fraction form
1,787,775.12/2,467,129.44 = 982,959.12/x - Step 3: Cross multiply
1,787,775.12x = 2,467,129.44 × 982,959.12 - Step 4: Simplify right side
1,787,775.12x = 2,425,087,383,268.49 - Step 5: Solve for x
x = 2,425,087,383,268.49/1,787,775.12 - Step 6: Final answer
x = 1,356,483.46
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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.