Finding the Fourth Proportional to 2,115,349.84, 3,174,285.52 and 767,617.60
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Solution
The fourth proportional to 2,115,349.84, 3,174,285.52 and 767,617.60 is: 1,151,883.90
Step by Step Solution
- Step 1: Write the proportion equation
2,115,349.84 : 3,174,285.52 = 767,617.60 : x - Step 2: Convert to fraction form
2,115,349.84/3,174,285.52 = 767,617.60/x - Step 3: Cross multiply
2,115,349.84x = 3,174,285.52 × 767,617.60 - Step 4: Simplify right side
2,115,349.84x = 2,436,637,432,577.15 - Step 5: Solve for x
x = 2,436,637,432,577.15/2,115,349.84 - Step 6: Final answer
x = 1,151,883.90
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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.