Finding the Fourth Proportional to 2,874,885.58, 3,967,272.60 and 1,585,698.28
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Solution
The fourth proportional to 2,874,885.58, 3,967,272.60 and 1,585,698.28 is: 2,188,225.29
Step by Step Solution
- Step 1: Write the proportion equation
2,874,885.58 : 3,967,272.60 = 1,585,698.28 : x - Step 2: Convert to fraction form
2,874,885.58/3,967,272.60 = 1,585,698.28/x - Step 3: Cross multiply
2,874,885.58x = 3,967,272.60 × 1,585,698.28 - Step 4: Simplify right side
2,874,885.58x = 6,290,897,338,111.13 - Step 5: Solve for x
x = 6,290,897,338,111.13/2,874,885.58 - Step 6: Final answer
x = 2,188,225.29
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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.