Finding the Fourth Proportional to 4,787,794.07, 6,609,565.07 and 3,047,215.44
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Solution
The fourth proportional to 4,787,794.07, 6,609,565.07 and 3,047,215.44 is: 4,206,690.69
Step by Step Solution
- Step 1: Write the proportion equation
4,787,794.07 : 6,609,565.07 = 3,047,215.44 : x - Step 2: Convert to fraction form
4,787,794.07/6,609,565.07 = 3,047,215.44/x - Step 3: Cross multiply
4,787,794.07x = 6,609,565.07 × 3,047,215.44 - Step 4: Simplify right side
4,787,794.07x = 20,140,768,753,965.53 - Step 5: Solve for x
x = 20,140,768,753,965.53/4,787,794.07 - Step 6: Final answer
x = 4,206,690.69
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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.