Finding the Fourth Proportional to 1,879,649.30, 2,593,846.50 and 1,020,191.12
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Solution
The fourth proportional to 1,879,649.30, 2,593,846.50 and 1,020,191.12 is: 1,407,826.01
Step by Step Solution
- Step 1: Write the proportion equation
1,879,649.30 : 2,593,846.50 = 1,020,191.12 : x - Step 2: Convert to fraction form
1,879,649.30/2,593,846.50 = 1,020,191.12/x - Step 3: Cross multiply
1,879,649.30x = 2,593,846.50 × 1,020,191.12 - Step 4: Simplify right side
1,879,649.30x = 2,646,219,165,943.08 - Step 5: Solve for x
x = 2,646,219,165,943.08/1,879,649.30 - Step 6: Final answer
x = 1,407,826.01
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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.