Home / 2,177,358.36-3,004,584.30-1,210,429.68

Finding the Fourth Proportional to 2,177,358.36, 3,004,584.30 and 1,210,429.68

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Solution

The fourth proportional to 2,177,358.36, 3,004,584.30 and 1,210,429.68 is: 1,670,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,358.36 : 3,004,584.30 = 1,210,429.68 : x
  2. Step 2: Convert to fraction form
    2,177,358.36/3,004,584.30 = 1,210,429.68/x
  3. Step 3: Cross multiply
    2,177,358.36x = 3,004,584.30 × 1,210,429.68
  4. Step 4: Simplify right side
    2,177,358.36x = 3,636,838,012,782.02
  5. Step 5: Solve for x
    x = 3,636,838,012,782.02/2,177,358.36
  6. Step 6: Final answer
    x = 1,670,298.32

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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.