Finding the Fourth Proportional to 1,872,811.54, 2,586,226.38 and 1,378,446.84
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Solution
The fourth proportional to 1,872,811.54, 2,586,226.38 and 1,378,446.84 is: 1,903,542.08
Step by Step Solution
- Step 1: Write the proportion equation
1,872,811.54 : 2,586,226.38 = 1,378,446.84 : x - Step 2: Convert to fraction form
1,872,811.54/2,586,226.38 = 1,378,446.84/x - Step 3: Cross multiply
1,872,811.54x = 2,586,226.38 × 1,378,446.84 - Step 4: Simplify right side
1,872,811.54x = 3,564,975,574,570.07 - Step 5: Solve for x
x = 3,564,975,574,570.07/1,872,811.54 - Step 6: Final answer
x = 1,903,542.08
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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.