Home / 1,939,510.72-2,675,146.08-1,294,605.76

Finding the Fourth Proportional to 1,939,510.72, 2,675,146.08 and 1,294,605.76

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Solution

The fourth proportional to 1,939,510.72, 2,675,146.08 and 1,294,605.76 is: 1,785,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,510.72 : 2,675,146.08 = 1,294,605.76 : x
  2. Step 2: Convert to fraction form
    1,939,510.72/2,675,146.08 = 1,294,605.76/x
  3. Step 3: Cross multiply
    1,939,510.72x = 2,675,146.08 × 1,294,605.76
  4. Step 4: Simplify right side
    1,939,510.72x = 3,463,259,524,009.42
  5. Step 5: Solve for x
    x = 3,463,259,524,009.42/1,939,510.72
  6. Step 6: Final answer
    x = 1,785,635.67

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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.