Finding the Fourth Proportional to 1,899,261.84, 2,620,983.96 and 1,039,828.08
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Solution
The fourth proportional to 1,899,261.84, 2,620,983.96 and 1,039,828.08 is: 1,434,964.19
Step by Step Solution
- Step 1: Write the proportion equation
1,899,261.84 : 2,620,983.96 = 1,039,828.08 : x - Step 2: Convert to fraction form
1,899,261.84/2,620,983.96 = 1,039,828.08/x - Step 3: Cross multiply
1,899,261.84x = 2,620,983.96 × 1,039,828.08 - Step 4: Simplify right side
1,899,261.84x = 2,725,372,718,837.60 - Step 5: Solve for x
x = 2,725,372,718,837.60/1,899,261.84 - Step 6: Final answer
x = 1,434,964.19
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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.