Finding the Fourth Proportional to 1,872,334.20, 2,804,564.70 and 1,557,406.20
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Solution
The fourth proportional to 1,872,334.20, 2,804,564.70 and 1,557,406.20 is: 2,332,834.84
Step by Step Solution
- Step 1: Write the proportion equation
1,872,334.20 : 2,804,564.70 = 1,557,406.20 : x - Step 2: Convert to fraction form
1,872,334.20/2,804,564.70 = 1,557,406.20/x - Step 3: Cross multiply
1,872,334.20x = 2,804,564.70 × 1,557,406.20 - Step 4: Simplify right side
1,872,334.20x = 4,367,846,452,081.14 - Step 5: Solve for x
x = 4,367,846,452,081.14/1,872,334.20 - Step 6: Final answer
x = 2,332,834.84
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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.