Finding the Fourth Proportional to 1,575,310.80, 2,357,717.40 and 1,449,339.60
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Solution
The fourth proportional to 1,575,310.80, 2,357,717.40 and 1,449,339.60 is: 2,169,180.33
Step by Step Solution
- Step 1: Write the proportion equation
1,575,310.80 : 2,357,717.40 = 1,449,339.60 : x - Step 2: Convert to fraction form
1,575,310.80/2,357,717.40 = 1,449,339.60/x - Step 3: Cross multiply
1,575,310.80x = 2,357,717.40 × 1,449,339.60 - Step 4: Simplify right side
1,575,310.80x = 3,417,133,193,429.04 - Step 5: Solve for x
x = 3,417,133,193,429.04/1,575,310.80 - Step 6: Final answer
x = 2,169,180.33
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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.