Finding the Fourth Proportional to 4,119,279.70, 6,178,919.55 and 2,772,087.70
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Solution
The fourth proportional to 4,119,279.70, 6,178,919.55 and 2,772,087.70 is: 4,158,131.55
Step by Step Solution
- Step 1: Write the proportion equation
4,119,279.70 : 6,178,919.55 = 2,772,087.70 : x - Step 2: Convert to fraction form
4,119,279.70/6,178,919.55 = 2,772,087.70/x - Step 3: Cross multiply
4,119,279.70x = 6,178,919.55 × 2,772,087.70 - Step 4: Simplify right side
4,119,279.70x = 17,128,506,883,844.54 - Step 5: Solve for x
x = 17,128,506,883,844.54/4,119,279.70 - Step 6: Final answer
x = 4,158,131.55
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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.