Finding the Fourth Proportional to 1,786,410.99, 2,465,269.61 and 970,628.36
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Solution
The fourth proportional to 1,786,410.99, 2,465,269.61 and 970,628.36 is: 1,339,479.32
Step by Step Solution
- Step 1: Write the proportion equation
1,786,410.99 : 2,465,269.61 = 970,628.36 : x - Step 2: Convert to fraction form
1,786,410.99/2,465,269.61 = 970,628.36/x - Step 3: Cross multiply
1,786,410.99x = 2,465,269.61 × 970,628.36 - Step 4: Simplify right side
1,786,410.99x = 2,392,860,581,332.65 - Step 5: Solve for x
x = 2,392,860,581,332.65/1,786,410.99 - Step 6: Final answer
x = 1,339,479.32
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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.