Finding the Fourth Proportional to 1,641,424.96, 2,265,107.34 and 1,029,907.36
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Solution
The fourth proportional to 1,641,424.96, 2,265,107.34 and 1,029,907.36 is: 1,421,235.07
Step by Step Solution
- Step 1: Write the proportion equation
1,641,424.96 : 2,265,107.34 = 1,029,907.36 : x - Step 2: Convert to fraction form
1,641,424.96/2,265,107.34 = 1,029,907.36/x - Step 3: Cross multiply
1,641,424.96x = 2,265,107.34 × 1,029,907.36 - Step 4: Simplify right side
1,641,424.96x = 2,332,850,720,656.02 - Step 5: Solve for x
x = 2,332,850,720,656.02/1,641,424.96 - Step 6: Final answer
x = 1,421,235.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.