Finding the Fourth Proportional to 3,885,462.84, 5,828,207.93 and 1,189,776.21
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Solution
The fourth proportional to 3,885,462.84, 5,828,207.93 and 1,189,776.21 is: 1,784,668.50
Step by Step Solution
- Step 1: Write the proportion equation
3,885,462.84 : 5,828,207.93 = 1,189,776.21 : x - Step 2: Convert to fraction form
3,885,462.84/5,828,207.93 = 1,189,776.21/x - Step 3: Cross multiply
3,885,462.84x = 5,828,207.93 × 1,189,776.21 - Step 4: Simplify right side
3,885,462.84x = 6,934,263,136,098.46 - Step 5: Solve for x
x = 6,934,263,136,098.46/3,885,462.84 - Step 6: Final answer
x = 1,784,668.50
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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.