Finding the Fourth Proportional to 2,122,602.12, 3,181,245.69 and 1,671,541.50
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Solution
The fourth proportional to 2,122,602.12, 3,181,245.69 and 1,671,541.50 is: 2,505,219.49
Step by Step Solution
- Step 1: Write the proportion equation
2,122,602.12 : 3,181,245.69 = 1,671,541.50 : x - Step 2: Convert to fraction form
2,122,602.12/3,181,245.69 = 1,671,541.50/x - Step 3: Cross multiply
2,122,602.12x = 3,181,245.69 × 1,671,541.50 - Step 4: Simplify right side
2,122,602.12x = 5,317,584,192,531.14 - Step 5: Solve for x
x = 5,317,584,192,531.14/2,122,602.12 - Step 6: Final answer
x = 2,505,219.49
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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.