Home / 2,289,038.88-3,159,021.28-1,270,443.64

Finding the Fourth Proportional to 2,289,038.88, 3,159,021.28 and 1,270,443.64

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Solution

The fourth proportional to 2,289,038.88, 3,159,021.28 and 1,270,443.64 is: 1,753,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,038.88 : 3,159,021.28 = 1,270,443.64 : x
  2. Step 2: Convert to fraction form
    2,289,038.88/3,159,021.28 = 1,270,443.64/x
  3. Step 3: Cross multiply
    2,289,038.88x = 3,159,021.28 × 1,270,443.64
  4. Step 4: Simplify right side
    2,289,038.88x = 4,013,358,493,800.66
  5. Step 5: Solve for x
    x = 4,013,358,493,800.66/2,289,038.88
  6. Step 6: Final answer
    x = 1,753,294.16

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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.