Finding the Fourth Proportional to 4,389,779.80, 6,595,728.90 and 2,793,107.80
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Solution
The fourth proportional to 4,389,779.80, 6,595,728.90 and 2,793,107.80 is: 4,196,698.39
Step by Step Solution
- Step 1: Write the proportion equation
4,389,779.80 : 6,595,728.90 = 2,793,107.80 : x - Step 2: Convert to fraction form
4,389,779.80/6,595,728.90 = 2,793,107.80/x - Step 3: Cross multiply
4,389,779.80x = 6,595,728.90 × 2,793,107.80 - Step 4: Simplify right side
4,389,779.80x = 18,422,581,837,275.42 - Step 5: Solve for x
x = 18,422,581,837,275.42/4,389,779.80 - Step 6: Final answer
x = 4,196,698.39
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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.