Finding the Fourth Proportional to 6,942,934.71, 9,579,023.15 and 4,497,420.38
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Solution
The fourth proportional to 6,942,934.71, 9,579,023.15 and 4,497,420.38 is: 6,204,997.69
Step by Step Solution
- Step 1: Write the proportion equation
6,942,934.71 : 9,579,023.15 = 4,497,420.38 : x - Step 2: Convert to fraction form
6,942,934.71/9,579,023.15 = 4,497,420.38/x - Step 3: Cross multiply
6,942,934.71x = 9,579,023.15 × 4,497,420.38 - Step 4: Simplify right side
6,942,934.71x = 43,080,893,864,919.58 - Step 5: Solve for x
x = 43,080,893,864,919.58/6,942,934.71 - Step 6: Final answer
x = 6,204,997.69
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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.