Finding the Fourth Proportional to 1,558,043.80, 2,337,065.70 and 718,235.80
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Solution
The fourth proportional to 1,558,043.80, 2,337,065.70 and 718,235.80 is: 1,077,353.70
Step by Step Solution
- Step 1: Write the proportion equation
1,558,043.80 : 2,337,065.70 = 718,235.80 : x - Step 2: Convert to fraction form
1,558,043.80/2,337,065.70 = 718,235.80/x - Step 3: Cross multiply
1,558,043.80x = 2,337,065.70 × 718,235.80 - Step 4: Simplify right side
1,558,043.80x = 1,678,564,252,692.06 - Step 5: Solve for x
x = 1,678,564,252,692.06/1,558,043.80 - Step 6: Final answer
x = 1,077,353.70
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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.