Finding the Fourth Proportional to 2,550,378.13, 3,519,487.04 and 1,447,799.94
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Solution
The fourth proportional to 2,550,378.13, 3,519,487.04 and 1,447,799.94 is: 1,997,944.17
Step by Step Solution
- Step 1: Write the proportion equation
2,550,378.13 : 3,519,487.04 = 1,447,799.94 : x - Step 2: Convert to fraction form
2,550,378.13/3,519,487.04 = 1,447,799.94/x - Step 3: Cross multiply
2,550,378.13x = 3,519,487.04 × 1,447,799.94 - Step 4: Simplify right side
2,550,378.13x = 5,095,513,118,103.78 - Step 5: Solve for x
x = 5,095,513,118,103.78/2,550,378.13 - Step 6: Final answer
x = 1,997,944.17
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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.