Finding the Fourth Proportional to 2,135,491.47, 3,203,707.76 and 619,237.70
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Solution
The fourth proportional to 2,135,491.47, 3,203,707.76 and 619,237.70 is: 928,992.99
Step by Step Solution
- Step 1: Write the proportion equation
2,135,491.47 : 3,203,707.76 = 619,237.70 : x - Step 2: Convert to fraction form
2,135,491.47/3,203,707.76 = 619,237.70/x - Step 3: Cross multiply
2,135,491.47x = 3,203,707.76 × 619,237.70 - Step 4: Simplify right side
2,135,491.47x = 1,983,856,605,659.82 - Step 5: Solve for x
x = 1,983,856,605,659.82/2,135,491.47 - Step 6: Final answer
x = 928,992.99
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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.