Finding the Fourth Proportional to 4,099,638.11, 6,142,709.57 and 1,402,488.92
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Solution
The fourth proportional to 4,099,638.11, 6,142,709.57 and 1,402,488.92 is: 2,101,425.03
Step by Step Solution
- Step 1: Write the proportion equation
4,099,638.11 : 6,142,709.57 = 1,402,488.92 : x - Step 2: Convert to fraction form
4,099,638.11/6,142,709.57 = 1,402,488.92/x - Step 3: Cross multiply
4,099,638.11x = 6,142,709.57 × 1,402,488.92 - Step 4: Simplify right side
4,099,638.11x = 8,615,082,119,047.30 - Step 5: Solve for x
x = 8,615,082,119,047.30/4,099,638.11 - Step 6: Final answer
x = 2,101,425.03
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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.