Finding the Fourth Proportional to 1,855,147.19, 2,560,373.38 and 1,039,406.00
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Solution
The fourth proportional to 1,855,147.19, 2,560,373.38 and 1,039,406.00 is: 1,434,531.70
Step by Step Solution
- Step 1: Write the proportion equation
1,855,147.19 : 2,560,373.38 = 1,039,406.00 : x - Step 2: Convert to fraction form
1,855,147.19/2,560,373.38 = 1,039,406.00/x - Step 3: Cross multiply
1,855,147.19x = 2,560,373.38 × 1,039,406.00 - Step 4: Simplify right side
1,855,147.19x = 2,661,267,438,011.90 - Step 5: Solve for x
x = 2,661,267,438,011.90/1,855,147.19 - Step 6: Final answer
x = 1,434,531.70
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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.