Finding the Fourth Proportional to 3,745,515.84, 5,168,437.92 and 2,113,765.44
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Solution
The fourth proportional to 3,745,515.84, 5,168,437.92 and 2,113,765.44 is: 2,916,785.28
Step by Step Solution
- Step 1: Write the proportion equation
3,745,515.84 : 5,168,437.92 = 2,113,765.44 : x - Step 2: Convert to fraction form
3,745,515.84/5,168,437.92 = 2,113,765.44/x - Step 3: Cross multiply
3,745,515.84x = 5,168,437.92 × 2,113,765.44 - Step 4: Simplify right side
3,745,515.84x = 10,924,865,454,081.48 - Step 5: Solve for x
x = 10,924,865,454,081.48/3,745,515.84 - Step 6: Final answer
x = 2,916,785.28
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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.