Finding the Fourth Proportional to 2,069,283.11, 3,103,888.82 and 931,239.99
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Solution
The fourth proportional to 2,069,283.11, 3,103,888.82 and 931,239.99 is: 1,396,843.85
Step by Step Solution
- Step 1: Write the proportion equation
2,069,283.11 : 3,103,888.82 = 931,239.99 : x - Step 2: Convert to fraction form
2,069,283.11/3,103,888.82 = 931,239.99/x - Step 3: Cross multiply
2,069,283.11x = 3,103,888.82 × 931,239.99 - Step 4: Simplify right side
2,069,283.11x = 2,890,465,389,041.71 - Step 5: Solve for x
x = 2,890,465,389,041.71/2,069,283.11 - Step 6: Final answer
x = 1,396,843.85
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1.5x scale
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.