Finding the Fourth Proportional to 4,278,136.34, 6,412,886.40 and 2,681,820.48
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Solution
The fourth proportional to 4,278,136.34, 6,412,886.40 and 2,681,820.48 is: 4,020,023.84
Step by Step Solution
- Step 1: Write the proportion equation
4,278,136.34 : 6,412,886.40 = 2,681,820.48 : x - Step 2: Convert to fraction form
4,278,136.34/6,412,886.40 = 2,681,820.48/x - Step 3: Cross multiply
4,278,136.34x = 6,412,886.40 × 2,681,820.48 - Step 4: Simplify right side
4,278,136.34x = 17,198,210,083,433.47 - Step 5: Solve for x
x = 17,198,210,083,433.47/4,278,136.34 - Step 6: Final answer
x = 4,020,023.84
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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.