Home / 1,965,725.76-2,949,009.60-1,113,200.36

Finding the Fourth Proportional to 1,965,725.76, 2,949,009.60 and 1,113,200.36

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Solution

The fourth proportional to 1,965,725.76, 2,949,009.60 and 1,113,200.36 is: 1,670,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,725.76 : 2,949,009.60 = 1,113,200.36 : x
  2. Step 2: Convert to fraction form
    1,965,725.76/2,949,009.60 = 1,113,200.36/x
  3. Step 3: Cross multiply
    1,965,725.76x = 2,949,009.60 × 1,113,200.36
  4. Step 4: Simplify right side
    1,965,725.76x = 3,282,838,533,618.41
  5. Step 5: Solve for x
    x = 3,282,838,533,618.41/1,965,725.76
  6. Step 6: Final answer
    x = 1,670,038.92

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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.