Finding the Fourth Proportional to 6,817,668.75, 10,228,215.87 and 1,959,984.14
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Solution
The fourth proportional to 6,817,668.75, 10,228,215.87 and 1,959,984.14 is: 2,940,468.59
Step by Step Solution
- Step 1: Write the proportion equation
6,817,668.75 : 10,228,215.87 = 1,959,984.14 : x - Step 2: Convert to fraction form
6,817,668.75/10,228,215.87 = 1,959,984.14/x - Step 3: Cross multiply
6,817,668.75x = 10,228,215.87 × 1,959,984.14 - Step 4: Simplify right side
6,817,668.75x = 20,047,140,834,555.22 - Step 5: Solve for x
x = 20,047,140,834,555.22/6,817,668.75 - Step 6: Final answer
x = 2,940,468.59
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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.