Finding the Fourth Proportional to 6,676,959.49, 9,211,278.60 and 3,922,404.29
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Solution
The fourth proportional to 6,676,959.49, 9,211,278.60 and 3,922,404.29 is: 5,411,199.33
Step by Step Solution
- Step 1: Write the proportion equation
6,676,959.49 : 9,211,278.60 = 3,922,404.29 : x - Step 2: Convert to fraction form
6,676,959.49/9,211,278.60 = 3,922,404.29/x - Step 3: Cross multiply
6,676,959.49x = 9,211,278.60 × 3,922,404.29 - Step 4: Simplify right side
6,676,959.49x = 36,130,358,697,025.20 - Step 5: Solve for x
x = 36,130,358,697,025.20/6,676,959.49 - Step 6: Final answer
x = 5,411,199.33
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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.