Finding the Fourth Proportional to 1,624,207.82, 2,236,271.02 and 1,430,478.50
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Solution
The fourth proportional to 1,624,207.82, 2,236,271.02 and 1,430,478.50 is: 1,969,537.13
Step by Step Solution
- Step 1: Write the proportion equation
1,624,207.82 : 2,236,271.02 = 1,430,478.50 : x - Step 2: Convert to fraction form
1,624,207.82/2,236,271.02 = 1,430,478.50/x - Step 3: Cross multiply
1,624,207.82x = 2,236,271.02 × 1,430,478.50 - Step 4: Simplify right side
1,624,207.82x = 3,198,937,599,525.52 - Step 5: Solve for x
x = 3,198,937,599,525.52/1,624,207.82 - Step 6: Final answer
x = 1,969,537.13
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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.