Finding the Fourth Proportional to 2,641,202.70, 3,961,804.05 and 2,605,773.30
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Solution
The fourth proportional to 2,641,202.70, 3,961,804.05 and 2,605,773.30 is: 3,908,659.95
Step by Step Solution
- Step 1: Write the proportion equation
2,641,202.70 : 3,961,804.05 = 2,605,773.30 : x - Step 2: Convert to fraction form
2,641,202.70/3,961,804.05 = 2,605,773.30/x - Step 3: Cross multiply
2,641,202.70x = 3,961,804.05 × 2,605,773.30 - Step 4: Simplify right side
2,641,202.70x = 10,323,563,213,321.86 - Step 5: Solve for x
x = 10,323,563,213,321.86/2,641,202.70 - Step 6: Final answer
x = 3,908,659.95
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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.