Finding the Fourth Proportional to 5,617,717.06, 8,425,865.38 and 1,779,928.91
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Solution
The fourth proportional to 5,617,717.06, 8,425,865.38 and 1,779,928.91 is: 2,669,668.34
Step by Step Solution
- Step 1: Write the proportion equation
5,617,717.06 : 8,425,865.38 = 1,779,928.91 : x - Step 2: Convert to fraction form
5,617,717.06/8,425,865.38 = 1,779,928.91/x - Step 3: Cross multiply
5,617,717.06x = 8,425,865.38 × 1,779,928.91 - Step 4: Simplify right side
5,617,717.06x = 14,997,441,346,288.44 - Step 5: Solve for x
x = 14,997,441,346,288.44/5,617,717.06 - Step 6: Final answer
x = 2,669,668.34
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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.