Finding the Fourth Proportional to 1,905,219.28, 2,629,205.08 and 1,034,053.91
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Solution
The fourth proportional to 1,905,219.28, 2,629,205.08 and 1,034,053.91 is: 1,426,995.75
Step by Step Solution
- Step 1: Write the proportion equation
1,905,219.28 : 2,629,205.08 = 1,034,053.91 : x - Step 2: Convert to fraction form
1,905,219.28/2,629,205.08 = 1,034,053.91/x - Step 3: Cross multiply
1,905,219.28x = 2,629,205.08 × 1,034,053.91 - Step 4: Simplify right side
1,905,219.28x = 2,718,739,804,991.78 - Step 5: Solve for x
x = 2,718,739,804,991.78/1,905,219.28 - Step 6: Final answer
x = 1,426,995.75
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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.