Finding the Fourth Proportional to 5,101,384.57, 7,040,228.84 and 2,809,544.65
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Solution
The fourth proportional to 5,101,384.57, 7,040,228.84 and 2,809,544.65 is: 3,877,346.82
Step by Step Solution
- Step 1: Write the proportion equation
5,101,384.57 : 7,040,228.84 = 2,809,544.65 : x - Step 2: Convert to fraction form
5,101,384.57/7,040,228.84 = 2,809,544.65/x - Step 3: Cross multiply
5,101,384.57x = 7,040,228.84 × 2,809,544.65 - Step 4: Simplify right side
5,101,384.57x = 19,779,837,251,085.20 - Step 5: Solve for x
x = 19,779,837,251,085.20/5,101,384.57 - Step 6: Final answer
x = 3,877,346.82
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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.