Finding the Fourth Proportional to 1,774,178.05, 2,661,266.80 and 426,340.68
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Solution
The fourth proportional to 1,774,178.05, 2,661,266.80 and 426,340.68 is: 639,510.95
Step by Step Solution
- Step 1: Write the proportion equation
1,774,178.05 : 2,661,266.80 = 426,340.68 : x - Step 2: Convert to fraction form
1,774,178.05/2,661,266.80 = 426,340.68/x - Step 3: Cross multiply
1,774,178.05x = 2,661,266.80 × 426,340.68 - Step 4: Simplify right side
1,774,178.05x = 1,134,606,296,107.57 - Step 5: Solve for x
x = 1,134,606,296,107.57/1,774,178.05 - Step 6: Final answer
x = 639,510.95
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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.