Finding the Fourth Proportional to 1,869,082, 2,579,331.18 and 1,009,642.12
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Solution
The fourth proportional to 1,869,082, 2,579,331.18 and 1,009,642.12 is: 1,393,305.06
Step by Step Solution
- Step 1: Write the proportion equation
1,869,082 : 2,579,331.18 = 1,009,642.12 : x - Step 2: Convert to fraction form
1,869,082/2,579,331.18 = 1,009,642.12/x - Step 3: Cross multiply
1,869,082x = 2,579,331.18 × 1,009,642.12 - Step 4: Simplify right side
1,869,082x = 2,604,201,400,757.30 - Step 5: Solve for x
x = 2,604,201,400,757.30/1,869,082 - Step 6: Final answer
x = 1,393,305.06
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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.