Finding the Fourth Proportional to 2,119,595.18, 3,179,429.21 and 603,317.09
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Solution
The fourth proportional to 2,119,595.18, 3,179,429.21 and 603,317.09 is: 904,986.01
Step by Step Solution
- Step 1: Write the proportion equation
2,119,595.18 : 3,179,429.21 = 603,317.09 : x - Step 2: Convert to fraction form
2,119,595.18/3,179,429.21 = 603,317.09/x - Step 3: Cross multiply
2,119,595.18x = 3,179,429.21 × 603,317.09 - Step 4: Simplify right side
2,119,595.18x = 1,918,203,988,295.06 - Step 5: Solve for x
x = 1,918,203,988,295.06/2,119,595.18 - Step 6: Final answer
x = 904,986.01
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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.