Finding the Fourth Proportional to 4,119,214.60, 6,179,282.70 and 1,279,304.20
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Solution
The fourth proportional to 4,119,214.60, 6,179,282.70 and 1,279,304.20 is: 1,919,099.41
Step by Step Solution
- Step 1: Write the proportion equation
4,119,214.60 : 6,179,282.70 = 1,279,304.20 : x - Step 2: Convert to fraction form
4,119,214.60/6,179,282.70 = 1,279,304.20/x - Step 3: Cross multiply
4,119,214.60x = 6,179,282.70 × 1,279,304.20 - Step 4: Simplify right side
4,119,214.60x = 7,905,182,311,097.34 - Step 5: Solve for x
x = 7,905,182,311,097.34/4,119,214.60 - Step 6: Final answer
x = 1,919,099.41
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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.