Finding the Fourth Proportional to 2,048,460.81, 2,826,876.08 and 1,130,690.18
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Solution
The fourth proportional to 2,048,460.81, 2,826,876.08 and 1,130,690.18 is: 1,560,352.54
Step by Step Solution
- Step 1: Write the proportion equation
2,048,460.81 : 2,826,876.08 = 1,130,690.18 : x - Step 2: Convert to fraction form
2,048,460.81/2,826,876.08 = 1,130,690.18/x - Step 3: Cross multiply
2,048,460.81x = 2,826,876.08 × 1,130,690.18 - Step 4: Simplify right side
2,048,460.81x = 3,196,321,023,732.89 - Step 5: Solve for x
x = 3,196,321,023,732.89/2,048,460.81 - Step 6: Final answer
x = 1,560,352.54
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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.