Finding the Fourth Proportional to 6,911,776.98, 10,367,814.78 and 2,119,360.14
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Solution
The fourth proportional to 6,911,776.98, 10,367,814.78 and 2,119,360.14 is: 3,179,085.99
Step by Step Solution
- Step 1: Write the proportion equation
6,911,776.98 : 10,367,814.78 = 2,119,360.14 : x - Step 2: Convert to fraction form
6,911,776.98/10,367,814.78 = 2,119,360.14/x - Step 3: Cross multiply
6,911,776.98x = 10,367,814.78 × 2,119,360.14 - Step 4: Simplify right side
6,911,776.98x = 21,973,133,383,634.87 - Step 5: Solve for x
x = 21,973,133,383,634.87/6,911,776.98 - Step 6: Final answer
x = 3,179,085.99
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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.