Finding the Fourth Proportional to 5,176,249.94, 7,142,384.70 and 3,000,368.00
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Solution
The fourth proportional to 5,176,249.94, 7,142,384.70 and 3,000,368.00 is: 4,140,020.81
Step by Step Solution
- Step 1: Write the proportion equation
5,176,249.94 : 7,142,384.70 = 3,000,368.00 : x - Step 2: Convert to fraction form
5,176,249.94/7,142,384.70 = 3,000,368.00/x - Step 3: Cross multiply
5,176,249.94x = 7,142,384.70 × 3,000,368.00 - Step 4: Simplify right side
5,176,249.94x = 21,429,782,461,857.68 - Step 5: Solve for x
x = 21,429,782,461,857.68/5,176,249.94 - Step 6: Final answer
x = 4,140,020.81
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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.