Home / 2,139,289.08-2,952,223.11-1,172,455.26

Finding the Fourth Proportional to 2,139,289.08, 2,952,223.11 and 1,172,455.26

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Solution

The fourth proportional to 2,139,289.08, 2,952,223.11 and 1,172,455.26 is: 1,617,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,289.08 : 2,952,223.11 = 1,172,455.26 : x
  2. Step 2: Convert to fraction form
    2,139,289.08/2,952,223.11 = 1,172,455.26/x
  3. Step 3: Cross multiply
    2,139,289.08x = 2,952,223.11 × 1,172,455.26
  4. Step 4: Simplify right side
    2,139,289.08x = 3,461,349,514,013.06
  5. Step 5: Solve for x
    x = 3,461,349,514,013.06/2,139,289.08
  6. Step 6: Final answer
    x = 1,617,990.55

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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.