Finding the Fourth Proportional to 6,646,159.06, 9,968,352.69 and 1,853,446.97
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Solution
The fourth proportional to 6,646,159.06, 9,968,352.69 and 1,853,446.97 is: 2,779,923.40
Step by Step Solution
- Step 1: Write the proportion equation
6,646,159.06 : 9,968,352.69 = 1,853,446.97 : x - Step 2: Convert to fraction form
6,646,159.06/9,968,352.69 = 1,853,446.97/x - Step 3: Cross multiply
6,646,159.06x = 9,968,352.69 × 1,853,446.97 - Step 4: Simplify right side
6,646,159.06x = 18,475,813,089,171.85 - Step 5: Solve for x
x = 18,475,813,089,171.85/6,646,159.06 - Step 6: Final answer
x = 2,779,923.40
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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.