Finding the Fourth Proportional to 1,600,534.20, 2,400,801.30 and 1,418,575.80
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Solution
The fourth proportional to 1,600,534.20, 2,400,801.30 and 1,418,575.80 is: 2,127,863.70
Step by Step Solution
- Step 1: Write the proportion equation
1,600,534.20 : 2,400,801.30 = 1,418,575.80 : x - Step 2: Convert to fraction form
1,600,534.20/2,400,801.30 = 1,418,575.80/x - Step 3: Cross multiply
1,600,534.20x = 2,400,801.30 × 1,418,575.80 - Step 4: Simplify right side
1,600,534.20x = 3,405,718,624,788.54 - Step 5: Solve for x
x = 3,405,718,624,788.54/1,600,534.20 - Step 6: Final answer
x = 2,127,863.70
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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.