Home / 2,100,905.04-2,899,209.58-1,285,048.81

Finding the Fourth Proportional to 2,100,905.04, 2,899,209.58 and 1,285,048.81

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Solution

The fourth proportional to 2,100,905.04, 2,899,209.58 and 1,285,048.81 is: 1,773,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,905.04 : 2,899,209.58 = 1,285,048.81 : x
  2. Step 2: Convert to fraction form
    2,100,905.04/2,899,209.58 = 1,285,048.81/x
  3. Step 3: Cross multiply
    2,100,905.04x = 2,899,209.58 × 1,285,048.81
  4. Step 4: Simplify right side
    2,100,905.04x = 3,725,625,821,130.99
  5. Step 5: Solve for x
    x = 3,725,625,821,130.99/2,100,905.04
  6. Step 6: Final answer
    x = 1,773,343.27

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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.