Finding the Fourth Proportional to 4,072,642.68, 5,619,919.14 and 2,353,874.52
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Solution
The fourth proportional to 4,072,642.68, 5,619,919.14 and 2,353,874.52 is: 3,248,157.40
Step by Step Solution
- Step 1: Write the proportion equation
4,072,642.68 : 5,619,919.14 = 2,353,874.52 : x - Step 2: Convert to fraction form
4,072,642.68/5,619,919.14 = 2,353,874.52/x - Step 3: Cross multiply
4,072,642.68x = 5,619,919.14 × 2,353,874.52 - Step 4: Simplify right side
4,072,642.68x = 13,228,584,468,106.31 - Step 5: Solve for x
x = 13,228,584,468,106.31/4,072,642.68 - Step 6: Final answer
x = 3,248,157.40
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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.