Finding the Fourth Proportional to 4,821,872.16, 6,653,698.92 and 2,888,083.02
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Solution
The fourth proportional to 4,821,872.16, 6,653,698.92 and 2,888,083.02 is: 3,985,264.28
Step by Step Solution
- Step 1: Write the proportion equation
4,821,872.16 : 6,653,698.92 = 2,888,083.02 : x - Step 2: Convert to fraction form
4,821,872.16/6,653,698.92 = 2,888,083.02/x - Step 3: Cross multiply
4,821,872.16x = 6,653,698.92 × 2,888,083.02 - Step 4: Simplify right side
4,821,872.16x = 19,216,434,871,044.34 - Step 5: Solve for x
x = 19,216,434,871,044.34/4,821,872.16 - Step 6: Final answer
x = 3,985,264.28
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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.