Finding the Fourth Proportional to 2,261,323.81, 3,119,226.06 and 1,487,043.19
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Solution
The fourth proportional to 2,261,323.81, 3,119,226.06 and 1,487,043.19 is: 2,051,198.44
Step by Step Solution
- Step 1: Write the proportion equation
2,261,323.81 : 3,119,226.06 = 1,487,043.19 : x - Step 2: Convert to fraction form
2,261,323.81/3,119,226.06 = 1,487,043.19/x - Step 3: Cross multiply
2,261,323.81x = 3,119,226.06 × 1,487,043.19 - Step 4: Simplify right side
2,261,323.81x = 4,638,423,870,593.53 - Step 5: Solve for x
x = 4,638,423,870,593.53/2,261,323.81 - Step 6: Final answer
x = 2,051,198.44
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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.