Finding the Fourth Proportional to 6,787,007.28, 9,366,130.98 and 3,689,536.62
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Solution
The fourth proportional to 6,787,007.28, 9,366,130.98 and 3,689,536.62 is: 5,091,593.66
Step by Step Solution
- Step 1: Write the proportion equation
6,787,007.28 : 9,366,130.98 = 3,689,536.62 : x - Step 2: Convert to fraction form
6,787,007.28/9,366,130.98 = 3,689,536.62/x - Step 3: Cross multiply
6,787,007.28x = 9,366,130.98 × 3,689,536.62 - Step 4: Simplify right side
6,787,007.28x = 34,556,683,238,426.49 - Step 5: Solve for x
x = 34,556,683,238,426.49/6,787,007.28 - Step 6: Final answer
x = 5,091,593.66
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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.