Finding the Fourth Proportional to 4,243,078.08, 6,364,826.91 and 1,210,890.87
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Solution
The fourth proportional to 4,243,078.08, 6,364,826.91 and 1,210,890.87 is: 1,816,396.17
Step by Step Solution
- Step 1: Write the proportion equation
4,243,078.08 : 6,364,826.91 = 1,210,890.87 : x - Step 2: Convert to fraction form
4,243,078.08/6,364,826.91 = 1,210,890.87/x - Step 3: Cross multiply
4,243,078.08x = 6,364,826.91 × 1,210,890.87 - Step 4: Simplify right side
4,243,078.08x = 7,707,110,794,449.31 - Step 5: Solve for x
x = 7,707,110,794,449.31/4,243,078.08 - Step 6: Final answer
x = 1,816,396.17
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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.