Finding the Fourth Proportional to 7,873,519.79, 11,810,279.84 and 1,889,887.79
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Solution
The fourth proportional to 7,873,519.79, 11,810,279.84 and 1,889,887.79 is: 2,834,831.72
Step by Step Solution
- Step 1: Write the proportion equation
7,873,519.79 : 11,810,279.84 = 1,889,887.79 : x - Step 2: Convert to fraction form
7,873,519.79/11,810,279.84 = 1,889,887.79/x - Step 3: Cross multiply
7,873,519.79x = 11,810,279.84 × 1,889,887.79 - Step 4: Simplify right side
7,873,519.79x = 22,320,103,686,175.41 - Step 5: Solve for x
x = 22,320,103,686,175.41/7,873,519.79 - Step 6: Final answer
x = 2,834,831.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.