Finding the Fourth Proportional to 2,271,630.68, 3,134,870.36 and 1,239,143.05
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Solution
The fourth proportional to 2,271,630.68, 3,134,870.36 and 1,239,143.05 is: 1,710,028.33
Step by Step Solution
- Step 1: Write the proportion equation
2,271,630.68 : 3,134,870.36 = 1,239,143.05 : x - Step 2: Convert to fraction form
2,271,630.68/3,134,870.36 = 1,239,143.05/x - Step 3: Cross multiply
2,271,630.68x = 3,134,870.36 × 1,239,143.05 - Step 4: Simplify right side
2,271,630.68x = 3,884,552,824,997.52 - Step 5: Solve for x
x = 3,884,552,824,997.52/2,271,630.68 - Step 6: Final answer
x = 1,710,028.33
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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.