Finding the Fourth Proportional to 2,809,579.15, 4,213,893.36 and 787,357.68
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Solution
The fourth proportional to 2,809,579.15, 4,213,893.36 and 787,357.68 is: 1,180,903.30
Step by Step Solution
- Step 1: Write the proportion equation
2,809,579.15 : 4,213,893.36 = 787,357.68 : x - Step 2: Convert to fraction form
2,809,579.15/4,213,893.36 = 787,357.68/x - Step 3: Cross multiply
2,809,579.15x = 4,213,893.36 × 787,357.68 - Step 4: Simplify right side
2,809,579.15x = 3,317,841,299,697.01 - Step 5: Solve for x
x = 3,317,841,299,697.01/2,809,579.15 - Step 6: Final answer
x = 1,180,903.30
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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.