Finding the Fourth Proportional to 1,555,209.13, 2,332,947.35 and 433,278.13
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Solution
The fourth proportional to 1,555,209.13, 2,332,947.35 and 433,278.13 is: 649,954.43
Step by Step Solution
- Step 1: Write the proportion equation
1,555,209.13 : 2,332,947.35 = 433,278.13 : x - Step 2: Convert to fraction form
1,555,209.13/2,332,947.35 = 433,278.13/x - Step 3: Cross multiply
1,555,209.13x = 2,332,947.35 × 433,278.13 - Step 4: Simplify right side
1,555,209.13x = 1,010,815,065,196.46 - Step 5: Solve for x
x = 1,010,815,065,196.46/1,555,209.13 - Step 6: Final answer
x = 649,954.43
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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.