Finding the Fourth Proportional to 2,991,815.36, 4,484,398.80 and 2,279,494.88
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Solution
The fourth proportional to 2,991,815.36, 4,484,398.80 and 2,279,494.88 is: 3,416,709.55
Step by Step Solution
- Step 1: Write the proportion equation
2,991,815.36 : 4,484,398.80 = 2,279,494.88 : x - Step 2: Convert to fraction form
2,991,815.36/4,484,398.80 = 2,279,494.88/x - Step 3: Cross multiply
2,991,815.36x = 4,484,398.80 × 2,279,494.88 - Step 4: Simplify right side
2,991,815.36x = 10,222,164,104,478.14 - Step 5: Solve for x
x = 10,222,164,104,478.14/2,991,815.36 - Step 6: Final answer
x = 3,416,709.55
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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.