Finding the Fourth Proportional to 2,191,209.09, 3,023,862.18 and 1,224,340.11
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Solution
The fourth proportional to 2,191,209.09, 3,023,862.18 and 1,224,340.11 is: 1,689,585.80
Step by Step Solution
- Step 1: Write the proportion equation
2,191,209.09 : 3,023,862.18 = 1,224,340.11 : x - Step 2: Convert to fraction form
2,191,209.09/3,023,862.18 = 1,224,340.11/x - Step 3: Cross multiply
2,191,209.09x = 3,023,862.18 × 1,224,340.11 - Step 4: Simplify right side
2,191,209.09x = 3,702,235,754,086.04 - Step 5: Solve for x
x = 3,702,235,754,086.04/2,191,209.09 - Step 6: Final answer
x = 1,689,585.80
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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.