Finding the Fourth Proportional to 3,506,291.34, 4,838,416.11 and 1,978,540.62
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Solution
The fourth proportional to 3,506,291.34, 4,838,416.11 and 1,978,540.62 is: 2,730,235.99
Step by Step Solution
- Step 1: Write the proportion equation
3,506,291.34 : 4,838,416.11 = 1,978,540.62 : x - Step 2: Convert to fraction form
3,506,291.34/4,838,416.11 = 1,978,540.62/x - Step 3: Cross multiply
3,506,291.34x = 4,838,416.11 × 1,978,540.62 - Step 4: Simplify right side
3,506,291.34x = 9,573,002,810,097.39 - Step 5: Solve for x
x = 9,573,002,810,097.39/3,506,291.34 - Step 6: Final answer
x = 2,730,235.99
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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.