Finding the Fourth Proportional to 2,580,980.12, 3,561,730.97 and 1,435,050.44
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Solution
The fourth proportional to 2,580,980.12, 3,561,730.97 and 1,435,050.44 is: 1,980,357.60
Step by Step Solution
- Step 1: Write the proportion equation
2,580,980.12 : 3,561,730.97 = 1,435,050.44 : x - Step 2: Convert to fraction form
2,580,980.12/3,561,730.97 = 1,435,050.44/x - Step 3: Cross multiply
2,580,980.12x = 3,561,730.97 × 1,435,050.44 - Step 4: Simplify right side
2,580,980.12x = 5,111,263,595,660.13 - Step 5: Solve for x
x = 5,111,263,595,660.13/2,580,980.12 - Step 6: Final answer
x = 1,980,357.60
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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.