Finding the Fourth Proportional to 2,331,899.12, 3,219,506.60 and 1,903,201.84
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Solution
The fourth proportional to 2,331,899.12, 3,219,506.60 and 1,903,201.84 is: 2,627,631.20
Step by Step Solution
- Step 1: Write the proportion equation
2,331,899.12 : 3,219,506.60 = 1,903,201.84 : x - Step 2: Convert to fraction form
2,331,899.12/3,219,506.60 = 1,903,201.84/x - Step 3: Cross multiply
2,331,899.12x = 3,219,506.60 × 1,903,201.84 - Step 4: Simplify right side
2,331,899.12x = 6,127,370,885,012.15 - Step 5: Solve for x
x = 6,127,370,885,012.15/2,331,899.12 - Step 6: Final answer
x = 2,627,631.20
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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.