Finding the Fourth Proportional to 2,071,429.20, 3,103,294.68 and 1,125,595.44
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Solution
The fourth proportional to 2,071,429.20, 3,103,294.68 and 1,125,595.44 is: 1,686,301.58
Step by Step Solution
- Step 1: Write the proportion equation
2,071,429.20 : 3,103,294.68 = 1,125,595.44 : x - Step 2: Convert to fraction form
2,071,429.20/3,103,294.68 = 1,125,595.44/x - Step 3: Cross multiply
2,071,429.20x = 3,103,294.68 × 1,125,595.44 - Step 4: Simplify right side
2,071,429.20x = 3,493,054,340,784.26 - Step 5: Solve for x
x = 3,493,054,340,784.26/2,071,429.20 - Step 6: Final answer
x = 1,686,301.58
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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.