Finding the Fourth Proportional to 1,557,405.70, 2,335,671.15 and 492,774.10
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Solution
The fourth proportional to 1,557,405.70, 2,335,671.15 and 492,774.10 is: 739,022.75
Step by Step Solution
- Step 1: Write the proportion equation
1,557,405.70 : 2,335,671.15 = 492,774.10 : x - Step 2: Convert to fraction form
1,557,405.70/2,335,671.15 = 492,774.10/x - Step 3: Cross multiply
1,557,405.70x = 2,335,671.15 × 492,774.10 - Step 4: Simplify right side
1,557,405.70x = 1,150,958,248,837.21 - Step 5: Solve for x
x = 1,150,958,248,837.21/1,557,405.70 - Step 6: Final answer
x = 739,022.75
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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.