Finding the Fourth Proportional to 2,130,764.25, 2,940,437.25 and 1,163,894.79
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Solution
The fourth proportional to 2,130,764.25, 2,940,437.25 and 1,163,894.79 is: 1,606,165.30
Step by Step Solution
- Step 1: Write the proportion equation
2,130,764.25 : 2,940,437.25 = 1,163,894.79 : x - Step 2: Convert to fraction form
2,130,764.25/2,940,437.25 = 1,163,894.79/x - Step 3: Cross multiply
2,130,764.25x = 2,940,437.25 × 1,163,894.79 - Step 4: Simplify right side
2,130,764.25x = 3,422,359,595,596.93 - Step 5: Solve for x
x = 3,422,359,595,596.93/2,130,764.25 - Step 6: Final answer
x = 1,606,165.30
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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.