Home / 1,955,358.40-2,933,037.60-1,640,430.40

Finding the Fourth Proportional to 1,955,358.40, 2,933,037.60 and 1,640,430.40

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Solution

The fourth proportional to 1,955,358.40, 2,933,037.60 and 1,640,430.40 is: 2,460,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,358.40 : 2,933,037.60 = 1,640,430.40 : x
  2. Step 2: Convert to fraction form
    1,955,358.40/2,933,037.60 = 1,640,430.40/x
  3. Step 3: Cross multiply
    1,955,358.40x = 2,933,037.60 × 1,640,430.40
  4. Step 4: Simplify right side
    1,955,358.40x = 4,811,444,043,383.04
  5. Step 5: Solve for x
    x = 4,811,444,043,383.04/1,955,358.40
  6. Step 6: Final answer
    x = 2,460,645.60

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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.