Finding the Fourth Proportional to 6,779,370.36, 10,169,071.92 and 1,661,823.12
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Solution
The fourth proportional to 6,779,370.36, 10,169,071.92 and 1,661,823.12 is: 2,492,738.70
Step by Step Solution
- Step 1: Write the proportion equation
6,779,370.36 : 10,169,071.92 = 1,661,823.12 : x - Step 2: Convert to fraction form
6,779,370.36/10,169,071.92 = 1,661,823.12/x - Step 3: Cross multiply
6,779,370.36x = 10,169,071.92 × 1,661,823.12 - Step 4: Simplify right side
6,779,370.36x = 16,899,198,825,598.79 - Step 5: Solve for x
x = 16,899,198,825,598.79/6,779,370.36 - Step 6: Final answer
x = 2,492,738.70
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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.