Finding the Fourth Proportional to 2,806,029.30, 3,871,438.02 and 1,717,165.74
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Solution
The fourth proportional to 2,806,029.30, 3,871,438.02 and 1,717,165.74 is: 2,369,148.72
Step by Step Solution
- Step 1: Write the proportion equation
2,806,029.30 : 3,871,438.02 = 1,717,165.74 : x - Step 2: Convert to fraction form
2,806,029.30/3,871,438.02 = 1,717,165.74/x - Step 3: Cross multiply
2,806,029.30x = 3,871,438.02 × 1,717,165.74 - Step 4: Simplify right side
2,806,029.30x = 6,647,900,732,477.44 - Step 5: Solve for x
x = 6,647,900,732,477.44/2,806,029.30 - Step 6: Final answer
x = 2,369,148.72
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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.