Finding the Fourth Proportional to 1,919,767.11, 2,879,822.91 and 499,835.49
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Solution
The fourth proportional to 1,919,767.11, 2,879,822.91 and 499,835.49 is: 749,798.08
Step by Step Solution
- Step 1: Write the proportion equation
1,919,767.11 : 2,879,822.91 = 499,835.49 : x - Step 2: Convert to fraction form
1,919,767.11/2,879,822.91 = 499,835.49/x - Step 3: Cross multiply
1,919,767.11x = 2,879,822.91 × 499,835.49 - Step 4: Simplify right side
1,919,767.11x = 1,439,437,695,333.08 - Step 5: Solve for x
x = 1,439,437,695,333.08/1,919,767.11 - Step 6: Final answer
x = 749,798.08
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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.