Finding the Fourth Proportional to 7,246,129.74, 10,869,187.48 and 1,854,771.57
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Solution
The fourth proportional to 7,246,129.74, 10,869,187.48 and 1,854,771.57 is: 2,782,155.52
Step by Step Solution
- Step 1: Write the proportion equation
7,246,129.74 : 10,869,187.48 = 1,854,771.57 : x - Step 2: Convert to fraction form
7,246,129.74/10,869,187.48 = 1,854,771.57/x - Step 3: Cross multiply
7,246,129.74x = 10,869,187.48 × 1,854,771.57 - Step 4: Simplify right side
7,246,129.74x = 20,159,859,863,284.15 - Step 5: Solve for x
x = 20,159,859,863,284.15/7,246,129.74 - Step 6: Final answer
x = 2,782,155.52
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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.