Finding the Fourth Proportional to 2,054,319.11, 2,835,013.02 and 1,238,575.09
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Solution
The fourth proportional to 2,054,319.11, 2,835,013.02 and 1,238,575.09 is: 1,709,265.37
Step by Step Solution
- Step 1: Write the proportion equation
2,054,319.11 : 2,835,013.02 = 1,238,575.09 : x - Step 2: Convert to fraction form
2,054,319.11/2,835,013.02 = 1,238,575.09/x - Step 3: Cross multiply
2,054,319.11x = 2,835,013.02 × 1,238,575.09 - Step 4: Simplify right side
2,054,319.11x = 3,511,376,500,204.80 - Step 5: Solve for x
x = 3,511,376,500,204.80/2,054,319.11 - Step 6: Final answer
x = 1,709,265.37
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1.5x scale
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.