Finding the Fourth Proportional to 2,030,771.07, 2,802,367.94 and 1,215,423.99
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Solution
The fourth proportional to 2,030,771.07, 2,802,367.94 and 1,215,423.99 is: 1,677,227.57
Step by Step Solution
- Step 1: Write the proportion equation
2,030,771.07 : 2,802,367.94 = 1,215,423.99 : x - Step 2: Convert to fraction form
2,030,771.07/2,802,367.94 = 1,215,423.99/x - Step 3: Cross multiply
2,030,771.07x = 2,802,367.94 × 1,215,423.99 - Step 4: Simplify right side
2,030,771.07x = 3,406,065,217,005.76 - Step 5: Solve for x
x = 3,406,065,217,005.76/2,030,771.07 - Step 6: Final answer
x = 1,677,227.57
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1.5x scale
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.