Finding the Fourth Proportional to 4,004,077.77, 6,006,889.40 and 1,307,678.09
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Solution
The fourth proportional to 4,004,077.77, 6,006,889.40 and 1,307,678.09 is: 1,961,769.49
Step by Step Solution
- Step 1: Write the proportion equation
4,004,077.77 : 6,006,889.40 = 1,307,678.09 : x - Step 2: Convert to fraction form
4,004,077.77/6,006,889.40 = 1,307,678.09/x - Step 3: Cross multiply
4,004,077.77x = 6,006,889.40 × 1,307,678.09 - Step 4: Simplify right side
4,004,077.77x = 7,855,077,620,860.41 - Step 5: Solve for x
x = 7,855,077,620,860.41/4,004,077.77 - Step 6: Final answer
x = 1,961,769.49
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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.