Finding the Fourth Proportional to 3,929,256.12, 5,893,885.77 and 1,767,756.99
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Solution
The fourth proportional to 3,929,256.12, 5,893,885.77 and 1,767,756.99 is: 2,651,636.20
Step by Step Solution
- Step 1: Write the proportion equation
3,929,256.12 : 5,893,885.77 = 1,767,756.99 : x - Step 2: Convert to fraction form
3,929,256.12/5,893,885.77 = 1,767,756.99/x - Step 3: Cross multiply
3,929,256.12x = 5,893,885.77 × 1,767,756.99 - Step 4: Simplify right side
3,929,256.12x = 10,418,957,759,340.25 - Step 5: Solve for x
x = 10,418,957,759,340.25/3,929,256.12 - Step 6: Final answer
x = 2,651,636.20
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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.