Finding the Fourth Proportional to 2,153,471.84, 3,230,768.50 and 805,739.84
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Solution
The fourth proportional to 2,153,471.84, 3,230,768.50 and 805,739.84 is: 1,208,819.57
Step by Step Solution
- Step 1: Write the proportion equation
2,153,471.84 : 3,230,768.50 = 805,739.84 : x - Step 2: Convert to fraction form
2,153,471.84/3,230,768.50 = 805,739.84/x - Step 3: Cross multiply
2,153,471.84x = 3,230,768.50 × 805,739.84 - Step 4: Simplify right side
2,153,471.84x = 2,603,158,894,267.04 - Step 5: Solve for x
x = 2,603,158,894,267.04/2,153,471.84 - Step 6: Final answer
x = 1,208,819.57
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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.