Finding the Fourth Proportional to 3,691,430.40, 5,537,145.60 and 2,266,867.20
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Solution
The fourth proportional to 3,691,430.40, 5,537,145.60 and 2,266,867.20 is: 3,400,300.80
Step by Step Solution
- Step 1: Write the proportion equation
3,691,430.40 : 5,537,145.60 = 2,266,867.20 : x - Step 2: Convert to fraction form
3,691,430.40/5,537,145.60 = 2,266,867.20/x - Step 3: Cross multiply
3,691,430.40x = 5,537,145.60 × 2,266,867.20 - Step 4: Simplify right side
3,691,430.40x = 12,551,973,742,264.32 - Step 5: Solve for x
x = 12,551,973,742,264.32/3,691,430.40 - Step 6: Final answer
x = 3,400,300.80
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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.