Finding the Fourth Proportional to 1,852,204.20, 2,555,230.80 and 1,087,913.28
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Solution
The fourth proportional to 1,852,204.20, 2,555,230.80 and 1,087,913.28 is: 1,500,843.98
Step by Step Solution
- Step 1: Write the proportion equation
1,852,204.20 : 2,555,230.80 = 1,087,913.28 : x - Step 2: Convert to fraction form
1,852,204.20/2,555,230.80 = 1,087,913.28/x - Step 3: Cross multiply
1,852,204.20x = 2,555,230.80 × 1,087,913.28 - Step 4: Simplify right side
1,852,204.20x = 2,779,869,520,785.02 - Step 5: Solve for x
x = 2,779,869,520,785.02/1,852,204.20 - Step 6: Final answer
x = 1,500,843.98
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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.