Finding the Fourth Proportional to 5,920,165.84, 8,169,828.60 and 3,203,911.76
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Solution
The fourth proportional to 5,920,165.84, 8,169,828.60 and 3,203,911.76 is: 4,421,398.09
Step by Step Solution
- Step 1: Write the proportion equation
5,920,165.84 : 8,169,828.60 = 3,203,911.76 : x - Step 2: Convert to fraction form
5,920,165.84/8,169,828.60 = 3,203,911.76/x - Step 3: Cross multiply
5,920,165.84x = 8,169,828.60 × 3,203,911.76 - Step 4: Simplify right side
5,920,165.84x = 26,175,409,928,724.33 - Step 5: Solve for x
x = 26,175,409,928,724.33/5,920,165.84 - Step 6: Final answer
x = 4,421,398.09
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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.