Finding the Fourth Proportional to 4,918,719.98, 7,375,937.18 and 2,612,708.46
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Solution
The fourth proportional to 4,918,719.98, 7,375,937.18 and 2,612,708.46 is: 3,917,924.50
Step by Step Solution
- Step 1: Write the proportion equation
4,918,719.98 : 7,375,937.18 = 2,612,708.46 : x - Step 2: Convert to fraction form
4,918,719.98/7,375,937.18 = 2,612,708.46/x - Step 3: Cross multiply
4,918,719.98x = 7,375,937.18 × 2,612,708.46 - Step 4: Simplify right side
4,918,719.98x = 19,271,173,500,636.84 - Step 5: Solve for x
x = 19,271,173,500,636.84/4,918,719.98 - Step 6: Final answer
x = 3,917,924.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.