Finding the Fourth Proportional to 2,998,235.87, 4,137,565.37 and 1,621,579.68
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Solution
The fourth proportional to 2,998,235.87, 4,137,565.37 and 1,621,579.68 is: 2,237,779.89
Step by Step Solution
- Step 1: Write the proportion equation
2,998,235.87 : 4,137,565.37 = 1,621,579.68 : x - Step 2: Convert to fraction form
2,998,235.87/4,137,565.37 = 1,621,579.68/x - Step 3: Cross multiply
2,998,235.87x = 4,137,565.37 × 1,621,579.68 - Step 4: Simplify right side
2,998,235.87x = 6,709,391,937,381.82 - Step 5: Solve for x
x = 6,709,391,937,381.82/2,998,235.87 - Step 6: Final answer
x = 2,237,779.89
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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.