Finding the Fourth Proportional to 7,291,169.40, 10,936,754.10 and 2,498,905.65
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Solution
The fourth proportional to 7,291,169.40, 10,936,754.10 and 2,498,905.65 is: 3,748,358.48
Step by Step Solution
- Step 1: Write the proportion equation
7,291,169.40 : 10,936,754.10 = 2,498,905.65 : x - Step 2: Convert to fraction form
7,291,169.40/10,936,754.10 = 2,498,905.65/x - Step 3: Cross multiply
7,291,169.40x = 10,936,754.10 × 2,498,905.65 - Step 4: Simplify right side
7,291,169.40x = 27,329,916,613,150.66 - Step 5: Solve for x
x = 27,329,916,613,150.66/7,291,169.40 - Step 6: Final answer
x = 3,748,358.48
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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.