Finding the Fourth Proportional to 5,022,791.60, 6,931,370.74 and 2,731,010
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Solution
The fourth proportional to 5,022,791.60, 6,931,370.74 and 2,731,010 is: 3,768,749.40
Step by Step Solution
- Step 1: Write the proportion equation
5,022,791.60 : 6,931,370.74 = 2,731,010 : x - Step 2: Convert to fraction form
5,022,791.60/6,931,370.74 = 2,731,010/x - Step 3: Cross multiply
5,022,791.60x = 6,931,370.74 × 2,731,010 - Step 4: Simplify right side
5,022,791.60x = 18,929,642,804,647.40 - Step 5: Solve for x
x = 18,929,642,804,647.40/5,022,791.60 - Step 6: Final answer
x = 3,768,749.40
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1.5x scale
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.