Finding the Fourth Proportional to 2,805,864.96, 3,873,140.42 and 2,184,438.83
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Solution
The fourth proportional to 2,805,864.96, 3,873,140.42 and 2,184,438.83 is: 3,015,340.52
Step by Step Solution
- Step 1: Write the proportion equation
2,805,864.96 : 3,873,140.42 = 2,184,438.83 : x - Step 2: Convert to fraction form
2,805,864.96/3,873,140.42 = 2,184,438.83/x - Step 3: Cross multiply
2,805,864.96x = 3,873,140.42 × 2,184,438.83 - Step 4: Simplify right side
2,805,864.96x = 8,460,638,297,202.61 - Step 5: Solve for x
x = 8,460,638,297,202.61/2,805,864.96 - Step 6: Final answer
x = 3,015,340.52
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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.