Home / 1,944,000.40-2,916,000.60-1,855,426.90

Finding the Fourth Proportional to 1,944,000.40, 2,916,000.60 and 1,855,426.90

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Solution

The fourth proportional to 1,944,000.40, 2,916,000.60 and 1,855,426.90 is: 2,783,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,000.40 : 2,916,000.60 = 1,855,426.90 : x
  2. Step 2: Convert to fraction form
    1,944,000.40/2,916,000.60 = 1,855,426.90/x
  3. Step 3: Cross multiply
    1,944,000.40x = 2,916,000.60 × 1,855,426.90
  4. Step 4: Simplify right side
    1,944,000.40x = 5,410,425,953,656.14
  5. Step 5: Solve for x
    x = 5,410,425,953,656.14/1,944,000.40
  6. Step 6: Final answer
    x = 2,783,140.35

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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.