Finding the Fourth Proportional to 3,212,338.99, 4,432,947.90 and 1,835,595.36
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Solution
The fourth proportional to 3,212,338.99, 4,432,947.90 and 1,835,595.36 is: 2,533,075.93
Step by Step Solution
- Step 1: Write the proportion equation
3,212,338.99 : 4,432,947.90 = 1,835,595.36 : x - Step 2: Convert to fraction form
3,212,338.99/4,432,947.90 = 1,835,595.36/x - Step 3: Cross multiply
3,212,338.99x = 4,432,947.90 × 1,835,595.36 - Step 4: Simplify right side
3,212,338.99x = 8,137,098,565,019.03 - Step 5: Solve for x
x = 8,137,098,565,019.03/3,212,338.99 - Step 6: Final answer
x = 2,533,075.93
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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.