Finding the Fourth Proportional to 2,559,905.20, 3,834,328.20 and 2,117,537.20
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Solution
The fourth proportional to 2,559,905.20, 3,834,328.20 and 2,117,537.20 is: 3,171,731.75
Step by Step Solution
- Step 1: Write the proportion equation
2,559,905.20 : 3,834,328.20 = 2,117,537.20 : x - Step 2: Convert to fraction form
2,559,905.20/3,834,328.20 = 2,117,537.20/x - Step 3: Cross multiply
2,559,905.20x = 3,834,328.20 × 2,117,537.20 - Step 4: Simplify right side
2,559,905.20x = 8,119,332,600,509.04 - Step 5: Solve for x
x = 8,119,332,600,509.04/2,559,905.20 - Step 6: Final answer
x = 3,171,731.75
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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.