Finding the Fourth Proportional to 1,553,296.30, 2,143,544.52 and 874,232.80
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Solution
The fourth proportional to 1,553,296.30, 2,143,544.52 and 874,232.80 is: 1,206,438.80
Step by Step Solution
- Step 1: Write the proportion equation
1,553,296.30 : 2,143,544.52 = 874,232.80 : x - Step 2: Convert to fraction form
1,553,296.30/2,143,544.52 = 874,232.80/x - Step 3: Cross multiply
1,553,296.30x = 2,143,544.52 × 874,232.80 - Step 4: Simplify right side
1,553,296.30x = 1,873,956,927,644.26 - Step 5: Solve for x
x = 1,873,956,927,644.26/1,553,296.30 - Step 6: Final answer
x = 1,206,438.80
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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.