Finding the Fourth Proportional to 2,086,774.22, 2,879,746.23 and 1,169,009.82
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Solution
The fourth proportional to 2,086,774.22, 2,879,746.23 and 1,169,009.82 is: 1,613,232.32
Step by Step Solution
- Step 1: Write the proportion equation
2,086,774.22 : 2,879,746.23 = 1,169,009.82 : x - Step 2: Convert to fraction form
2,086,774.22/2,879,746.23 = 1,169,009.82/x - Step 3: Cross multiply
2,086,774.22x = 2,879,746.23 × 1,169,009.82 - Step 4: Simplify right side
2,086,774.22x = 3,366,451,621,977.98 - Step 5: Solve for x
x = 3,366,451,621,977.98/2,086,774.22 - Step 6: Final answer
x = 1,613,232.32
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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.