Home / 2,800,137.80-4,195,368.30-1,301,155.40

Finding the Fourth Proportional to 2,800,137.80, 4,195,368.30 and 1,301,155.40

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Solution

The fourth proportional to 2,800,137.80, 4,195,368.30 and 1,301,155.40 is: 1,949,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,137.80 : 4,195,368.30 = 1,301,155.40 : x
  2. Step 2: Convert to fraction form
    2,800,137.80/4,195,368.30 = 1,301,155.40/x
  3. Step 3: Cross multiply
    2,800,137.80x = 4,195,368.30 × 1,301,155.40
  4. Step 4: Simplify right side
    2,800,137.80x = 5,458,826,118,533.82
  5. Step 5: Solve for x
    x = 5,458,826,118,533.82/2,800,137.80
  6. Step 6: Final answer
    x = 1,949,484.81

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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.