Finding the Fourth Proportional to 1,580,464.77, 2,181,045.18 and 855,317.71
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Solution
The fourth proportional to 1,580,464.77, 2,181,045.18 and 855,317.71 is: 1,180,340.49
Step by Step Solution
- Step 1: Write the proportion equation
1,580,464.77 : 2,181,045.18 = 855,317.71 : x - Step 2: Convert to fraction form
1,580,464.77/2,181,045.18 = 855,317.71/x - Step 3: Cross multiply
1,580,464.77x = 2,181,045.18 × 855,317.71 - Step 4: Simplify right side
1,580,464.77x = 1,865,486,568,764.14 - Step 5: Solve for x
x = 1,865,486,568,764.14/1,580,464.77 - Step 6: Final answer
x = 1,180,340.49
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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.