Finding the Fourth Proportional to 2,180,645.36, 3,009,290.76 and 1,213,754.84
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Solution
The fourth proportional to 2,180,645.36, 3,009,290.76 and 1,213,754.84 is: 1,674,981.77
Step by Step Solution
- Step 1: Write the proportion equation
2,180,645.36 : 3,009,290.76 = 1,213,754.84 : x - Step 2: Convert to fraction form
2,180,645.36/3,009,290.76 = 1,213,754.84/x - Step 3: Cross multiply
2,180,645.36x = 3,009,290.76 × 1,213,754.84 - Step 4: Simplify right side
2,180,645.36x = 3,652,541,224,917.28 - Step 5: Solve for x
x = 3,652,541,224,917.28/2,180,645.36 - Step 6: Final answer
x = 1,674,981.77
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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.