Home / 2,164,875.90-2,987,485.95-1,198,005.90

Finding the Fourth Proportional to 2,164,875.90, 2,987,485.95 and 1,198,005.90

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Solution

The fourth proportional to 2,164,875.90, 2,987,485.95 and 1,198,005.90 is: 1,653,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,875.90 : 2,987,485.95 = 1,198,005.90 : x
  2. Step 2: Convert to fraction form
    2,164,875.90/2,987,485.95 = 1,198,005.90/x
  3. Step 3: Cross multiply
    2,164,875.90x = 2,987,485.95 × 1,198,005.90
  4. Step 4: Simplify right side
    2,164,875.90x = 3,579,025,794,267.11
  5. Step 5: Solve for x
    x = 3,579,025,794,267.11/2,164,875.90
  6. Step 6: Final answer
    x = 1,653,224.46

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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.