Home / 1,900,155.04-2,622,216.49-1,028,991.24

Finding the Fourth Proportional to 1,900,155.04, 2,622,216.49 and 1,028,991.24

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Solution

The fourth proportional to 1,900,155.04, 2,622,216.49 and 1,028,991.24 is: 1,420,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,155.04 : 2,622,216.49 = 1,028,991.24 : x
  2. Step 2: Convert to fraction form
    1,900,155.04/2,622,216.49 = 1,028,991.24/x
  3. Step 3: Cross multiply
    1,900,155.04x = 2,622,216.49 × 1,028,991.24
  4. Step 4: Simplify right side
    1,900,155.04x = 2,698,237,784,482.47
  5. Step 5: Solve for x
    x = 2,698,237,784,482.47/1,900,155.04
  6. Step 6: Final answer
    x = 1,420,009.28

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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.