Finding the Fourth Proportional to 2,046,148.66, 2,823,647.88 and 1,128,462.62
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Solution
The fourth proportional to 2,046,148.66, 2,823,647.88 and 1,128,462.62 is: 1,557,257.86
Step by Step Solution
- Step 1: Write the proportion equation
2,046,148.66 : 2,823,647.88 = 1,128,462.62 : x - Step 2: Convert to fraction form
2,046,148.66/2,823,647.88 = 1,128,462.62/x - Step 3: Cross multiply
2,046,148.66x = 2,823,647.88 × 1,128,462.62 - Step 4: Simplify right side
2,046,148.66x = 3,186,381,084,622.25 - Step 5: Solve for x
x = 3,186,381,084,622.25/2,046,148.66 - Step 6: Final answer
x = 1,557,257.86
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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.