Home / 2,977,878.87-4,109,305.59-1,671,009.03

Finding the Fourth Proportional to 2,977,878.87, 4,109,305.59 and 1,671,009.03

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Solution

The fourth proportional to 2,977,878.87, 4,109,305.59 and 1,671,009.03 is: 2,305,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,878.87 : 4,109,305.59 = 1,671,009.03 : x
  2. Step 2: Convert to fraction form
    2,977,878.87/4,109,305.59 = 1,671,009.03/x
  3. Step 3: Cross multiply
    2,977,878.87x = 4,109,305.59 × 1,671,009.03
  4. Step 4: Simplify right side
    2,977,878.87x = 6,866,686,747,919.48
  5. Step 5: Solve for x
    x = 6,866,686,747,919.48/2,977,878.87
  6. Step 6: Final answer
    x = 2,305,898.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.