Finding the Fourth Proportional to 1,791,191.68, 2,467,640.08 and 1,246,390.56
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Solution
The fourth proportional to 1,791,191.68, 2,467,640.08 and 1,246,390.56 is: 1,717,093.34
Step by Step Solution
- Step 1: Write the proportion equation
1,791,191.68 : 2,467,640.08 = 1,246,390.56 : x - Step 2: Convert to fraction form
1,791,191.68/2,467,640.08 = 1,246,390.56/x - Step 3: Cross multiply
1,791,191.68x = 2,467,640.08 × 1,246,390.56 - Step 4: Simplify right side
1,791,191.68x = 3,075,643,301,189.65 - Step 5: Solve for x
x = 3,075,643,301,189.65/1,791,191.68 - Step 6: Final answer
x = 1,717,093.34
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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.