Home / 3,217,931.40-4,828,670.10-1,956,644.76

Finding the Fourth Proportional to 3,217,931.40, 4,828,670.10 and 1,956,644.76

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Solution

The fourth proportional to 3,217,931.40, 4,828,670.10 and 1,956,644.76 is: 2,936,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,931.40 : 4,828,670.10 = 1,956,644.76 : x
  2. Step 2: Convert to fraction form
    3,217,931.40/4,828,670.10 = 1,956,644.76/x
  3. Step 3: Cross multiply
    3,217,931.40x = 4,828,670.10 × 1,956,644.76
  4. Step 4: Simplify right side
    3,217,931.40x = 9,447,992,048,933.68
  5. Step 5: Solve for x
    x = 9,447,992,048,933.68/3,217,931.40
  6. Step 6: Final answer
    x = 2,936,045.20

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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.