Finding the Fourth Proportional to 1,873,230.36, 2,585,065.50 and 1,013,790.12
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Solution
The fourth proportional to 1,873,230.36, 2,585,065.50 and 1,013,790.12 is: 1,399,034.48
Step by Step Solution
- Step 1: Write the proportion equation
1,873,230.36 : 2,585,065.50 = 1,013,790.12 : x - Step 2: Convert to fraction form
1,873,230.36/2,585,065.50 = 1,013,790.12/x - Step 3: Cross multiply
1,873,230.36x = 2,585,065.50 × 1,013,790.12 - Step 4: Simplify right side
1,873,230.36x = 2,620,713,863,452.86 - Step 5: Solve for x
x = 2,620,713,863,452.86/1,873,230.36 - Step 6: Final answer
x = 1,399,034.48
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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.