Finding the Fourth Proportional to 2,085,913.80, 3,129,358.92 and 646,521.99
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Solution
The fourth proportional to 2,085,913.80, 3,129,358.92 and 646,521.99 is: 969,934.31
Step by Step Solution
- Step 1: Write the proportion equation
2,085,913.80 : 3,129,358.92 = 646,521.99 : x - Step 2: Convert to fraction form
2,085,913.80/3,129,358.92 = 646,521.99/x - Step 3: Cross multiply
2,085,913.80x = 3,129,358.92 × 646,521.99 - Step 4: Simplify right side
2,085,913.80x = 2,023,199,356,382.65 - Step 5: Solve for x
x = 2,023,199,356,382.65/2,085,913.80 - Step 6: Final answer
x = 969,934.31
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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.