Finding the Fourth Proportional to 1,873,235.70, 2,809,853.55 and 1,400,843.70
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Solution
The fourth proportional to 1,873,235.70, 2,809,853.55 and 1,400,843.70 is: 2,101,265.55
Step by Step Solution
- Step 1: Write the proportion equation
1,873,235.70 : 2,809,853.55 = 1,400,843.70 : x - Step 2: Convert to fraction form
1,873,235.70/2,809,853.55 = 1,400,843.70/x - Step 3: Cross multiply
1,873,235.70x = 2,809,853.55 × 1,400,843.70 - Step 4: Simplify right side
1,873,235.70x = 3,936,165,643,440.14 - Step 5: Solve for x
x = 3,936,165,643,440.14/1,873,235.70 - Step 6: Final answer
x = 2,101,265.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.