Finding the Fourth Proportional to 2,134,622.70, 2,945,849.04 and 1,216,835.06
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Solution
The fourth proportional to 2,134,622.70, 2,945,849.04 and 1,216,835.06 is: 1,679,272.12
Step by Step Solution
- Step 1: Write the proportion equation
2,134,622.70 : 2,945,849.04 = 1,216,835.06 : x - Step 2: Convert to fraction form
2,134,622.70/2,945,849.04 = 1,216,835.06/x - Step 3: Cross multiply
2,134,622.70x = 2,945,849.04 × 1,216,835.06 - Step 4: Simplify right side
2,134,622.70x = 3,584,612,378,610.10 - Step 5: Solve for x
x = 3,584,612,378,610.10/2,134,622.70 - Step 6: Final answer
x = 1,679,272.12
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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.