Finding the Fourth Proportional to 1,869,160.05, 2,579,439.33 and 1,009,720.08
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Solution
The fourth proportional to 1,869,160.05, 2,579,439.33 and 1,009,720.08 is: 1,393,412.88
Step by Step Solution
- Step 1: Write the proportion equation
1,869,160.05 : 2,579,439.33 = 1,009,720.08 : x - Step 2: Convert to fraction form
1,869,160.05/2,579,439.33 = 1,009,720.08/x - Step 3: Cross multiply
1,869,160.05x = 2,579,439.33 × 1,009,720.08 - Step 4: Simplify right side
1,869,160.05x = 2,604,511,686,642.75 - Step 5: Solve for x
x = 2,604,511,686,642.75/1,869,160.05 - Step 6: Final answer
x = 1,393,412.88
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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.