Finding the Fourth Proportional to 2,289,392.20, 3,159,373.44 and 1,430,450.56
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Solution
The fourth proportional to 2,289,392.20, 3,159,373.44 and 1,430,450.56 is: 1,974,029.40
Step by Step Solution
- Step 1: Write the proportion equation
2,289,392.20 : 3,159,373.44 = 1,430,450.56 : x - Step 2: Convert to fraction form
2,289,392.20/3,159,373.44 = 1,430,450.56/x - Step 3: Cross multiply
2,289,392.20x = 3,159,373.44 × 1,430,450.56 - Step 4: Simplify right side
2,289,392.20x = 4,519,327,506,497.13 - Step 5: Solve for x
x = 4,519,327,506,497.13/2,289,392.20 - Step 6: Final answer
x = 1,974,029.40
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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.