Home / 1,783,749.60-2,671,477.20-1,219,730.40

Finding the Fourth Proportional to 1,783,749.60, 2,671,477.20 and 1,219,730.40

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Solution

The fourth proportional to 1,783,749.60, 2,671,477.20 and 1,219,730.40 is: 1,826,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,749.60 : 2,671,477.20 = 1,219,730.40 : x
  2. Step 2: Convert to fraction form
    1,783,749.60/2,671,477.20 = 1,219,730.40/x
  3. Step 3: Cross multiply
    1,783,749.60x = 2,671,477.20 × 1,219,730.40
  4. Step 4: Simplify right side
    1,783,749.60x = 3,258,481,953,746.88
  5. Step 5: Solve for x
    x = 3,258,481,953,746.88/1,783,749.60
  6. Step 6: Final answer
    x = 1,826,759.74

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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.