Finding the Fourth Proportional to 4,426,455.08, 6,639,919.59 and 1,394,057.13
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Solution
The fourth proportional to 4,426,455.08, 6,639,919.59 and 1,394,057.13 is: 2,091,160.33
Step by Step Solution
- Step 1: Write the proportion equation
4,426,455.08 : 6,639,919.59 = 1,394,057.13 : x - Step 2: Convert to fraction form
4,426,455.08/6,639,919.59 = 1,394,057.13/x - Step 3: Cross multiply
4,426,455.08x = 6,639,919.59 × 1,394,057.13 - Step 4: Simplify right side
4,426,455.08x = 9,256,427,247,066.18 - Step 5: Solve for x
x = 9,256,427,247,066.18/4,426,455.08 - Step 6: Final answer
x = 2,091,160.33
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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.