Finding the Fourth Proportional to 5,271,303.40, 7,908,173.13 and 2,238,768.49
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Solution
The fourth proportional to 5,271,303.40, 7,908,173.13 and 2,238,768.49 is: 3,358,670.04
Step by Step Solution
- Step 1: Write the proportion equation
5,271,303.40 : 7,908,173.13 = 2,238,768.49 : x - Step 2: Convert to fraction form
5,271,303.40/7,908,173.13 = 2,238,768.49/x - Step 3: Cross multiply
5,271,303.40x = 7,908,173.13 × 2,238,768.49 - Step 4: Simplify right side
5,271,303.40x = 17,704,568,816,908.68 - Step 5: Solve for x
x = 17,704,568,816,908.68/5,271,303.40 - Step 6: Final answer
x = 3,358,670.04
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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.