Finding the Fourth Proportional to 2,069,971.25, 3,104,778.99 and 1,260,145.47
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Solution
The fourth proportional to 2,069,971.25, 3,104,778.99 and 1,260,145.47 is: 1,890,109.92
Step by Step Solution
- Step 1: Write the proportion equation
2,069,971.25 : 3,104,778.99 = 1,260,145.47 : x - Step 2: Convert to fraction form
2,069,971.25/3,104,778.99 = 1,260,145.47/x - Step 3: Cross multiply
2,069,971.25x = 3,104,778.99 × 1,260,145.47 - Step 4: Simplify right side
2,069,971.25x = 3,912,473,179,599.68 - Step 5: Solve for x
x = 3,912,473,179,599.68/2,069,971.25 - Step 6: Final answer
x = 1,890,109.92
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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.