Finding the Fourth Proportional to 1,454,201.12, 2,006,278.04 and 842,019.68
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Solution
The fourth proportional to 1,454,201.12, 2,006,278.04 and 842,019.68 is: 1,161,686.35
Step by Step Solution
- Step 1: Write the proportion equation
1,454,201.12 : 2,006,278.04 = 842,019.68 : x - Step 2: Convert to fraction form
1,454,201.12/2,006,278.04 = 842,019.68/x - Step 3: Cross multiply
1,454,201.12x = 2,006,278.04 × 842,019.68 - Step 4: Simplify right side
1,454,201.12x = 1,689,325,593,231.83 - Step 5: Solve for x
x = 1,689,325,593,231.83/1,454,201.12 - Step 6: Final answer
x = 1,161,686.35
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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.