Finding the Fourth Proportional to 1,487,182.36, 2,052,145.08 and 842,464.48
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Solution
The fourth proportional to 1,487,182.36, 2,052,145.08 and 842,464.48 is: 1,162,506.62
Step by Step Solution
- Step 1: Write the proportion equation
1,487,182.36 : 2,052,145.08 = 842,464.48 : x - Step 2: Convert to fraction form
1,487,182.36/2,052,145.08 = 842,464.48/x - Step 3: Cross multiply
1,487,182.36x = 2,052,145.08 × 842,464.48 - Step 4: Simplify right side
1,487,182.36x = 1,728,859,337,706.76 - Step 5: Solve for x
x = 1,728,859,337,706.76/1,487,182.36 - Step 6: Final answer
x = 1,162,506.62
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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.