Finding the Fourth Proportional to 7,246,129.24, 10,869,186.72 and 1,854,771.06
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Solution
The fourth proportional to 7,246,129.24, 10,869,186.72 and 1,854,771.06 is: 2,782,154.77
Step by Step Solution
- Step 1: Write the proportion equation
7,246,129.24 : 10,869,186.72 = 1,854,771.06 : x - Step 2: Convert to fraction form
7,246,129.24/10,869,186.72 = 1,854,771.06/x - Step 3: Cross multiply
7,246,129.24x = 10,869,186.72 × 1,854,771.06 - Step 4: Simplify right side
7,246,129.24x = 20,159,853,021,707.17 - Step 5: Solve for x
x = 20,159,853,021,707.17/7,246,129.24 - Step 6: Final answer
x = 2,782,154.77
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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.