Home / 1,937,321.68-2,905,953.30-871,611.16

Finding the Fourth Proportional to 1,937,321.68, 2,905,953.30 and 871,611.16

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Solution

The fourth proportional to 1,937,321.68, 2,905,953.30 and 871,611.16 is: 1,307,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,321.68 : 2,905,953.30 = 871,611.16 : x
  2. Step 2: Convert to fraction form
    1,937,321.68/2,905,953.30 = 871,611.16/x
  3. Step 3: Cross multiply
    1,937,321.68x = 2,905,953.30 × 871,611.16
  4. Step 4: Simplify right side
    1,937,321.68x = 2,532,861,326,718.83
  5. Step 5: Solve for x
    x = 2,532,861,326,718.83/1,937,321.68
  6. Step 6: Final answer
    x = 1,307,403.59

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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.