Finding the Fourth Proportional to 2,130,752.36, 2,940,325.84 and 1,163,868.73
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Solution
The fourth proportional to 2,130,752.36, 2,940,325.84 and 1,163,868.73 is: 1,606,077.44
Step by Step Solution
- Step 1: Write the proportion equation
2,130,752.36 : 2,940,325.84 = 1,163,868.73 : x - Step 2: Convert to fraction form
2,130,752.36/2,940,325.84 = 1,163,868.73/x - Step 3: Cross multiply
2,130,752.36x = 2,940,325.84 × 1,163,868.73 - Step 4: Simplify right side
2,130,752.36x = 3,422,153,301,186.98 - Step 5: Solve for x
x = 3,422,153,301,186.98/2,130,752.36 - Step 6: Final answer
x = 1,606,077.44
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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.