Finding the Fourth Proportional to 7,984,692.72, 11,980,470.24 and 2,594,994.84
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Solution
The fourth proportional to 7,984,692.72, 11,980,470.24 and 2,594,994.84 is: 3,893,607.37
Step by Step Solution
- Step 1: Write the proportion equation
7,984,692.72 : 11,980,470.24 = 2,594,994.84 : x - Step 2: Convert to fraction form
7,984,692.72/11,980,470.24 = 2,594,994.84/x - Step 3: Cross multiply
7,984,692.72x = 11,980,470.24 × 2,594,994.84 - Step 4: Simplify right side
7,984,692.72x = 31,089,258,453,573.56 - Step 5: Solve for x
x = 31,089,258,453,573.56/7,984,692.72 - Step 6: Final answer
x = 3,893,607.37
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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.