Finding the Fourth Proportional to 4,987,588.66, 6,882,875.31 and 2,782,451.49
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Solution
The fourth proportional to 4,987,588.66, 6,882,875.31 and 2,782,451.49 is: 3,839,784.71
Step by Step Solution
- Step 1: Write the proportion equation
4,987,588.66 : 6,882,875.31 = 2,782,451.49 : x - Step 2: Convert to fraction form
4,987,588.66/6,882,875.31 = 2,782,451.49/x - Step 3: Cross multiply
4,987,588.66x = 6,882,875.31 × 2,782,451.49 - Step 4: Simplify right side
4,987,588.66x = 19,151,266,661,793.71 - Step 5: Solve for x
x = 19,151,266,661,793.71/4,987,588.66 - Step 6: Final answer
x = 3,839,784.71
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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.