Finding the Fourth Proportional to 1,455,251.70, 2,008,395.09 and 810,776.82
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Solution
The fourth proportional to 1,455,251.70, 2,008,395.09 and 810,776.82 is: 1,118,954.33
Step by Step Solution
- Step 1: Write the proportion equation
1,455,251.70 : 2,008,395.09 = 810,776.82 : x - Step 2: Convert to fraction form
1,455,251.70/2,008,395.09 = 810,776.82/x - Step 3: Cross multiply
1,455,251.70x = 2,008,395.09 × 810,776.82 - Step 4: Simplify right side
1,455,251.70x = 1,628,360,184,373.81 - Step 5: Solve for x
x = 1,628,360,184,373.81/1,455,251.70 - Step 6: Final answer
x = 1,118,954.33
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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.