Finding the Fourth Proportional to 4,311,261.50, 6,467,931.28 and 1,615,610.26
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Solution
The fourth proportional to 4,311,261.50, 6,467,931.28 and 1,615,610.26 is: 2,423,804.75
Step by Step Solution
- Step 1: Write the proportion equation
4,311,261.50 : 6,467,931.28 = 1,615,610.26 : x - Step 2: Convert to fraction form
4,311,261.50/6,467,931.28 = 1,615,610.26/x - Step 3: Cross multiply
4,311,261.50x = 6,467,931.28 × 1,615,610.26 - Step 4: Simplify right side
4,311,261.50x = 10,449,656,104,603.28 - Step 5: Solve for x
x = 10,449,656,104,603.28/4,311,261.50 - Step 6: Final answer
x = 2,423,804.75
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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.