Home / 2,378,800.76-3,282,748.30-1,291,072.35

Finding the Fourth Proportional to 2,378,800.76, 3,282,748.30 and 1,291,072.35

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Solution

The fourth proportional to 2,378,800.76, 3,282,748.30 and 1,291,072.35 is: 1,781,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,800.76 : 3,282,748.30 = 1,291,072.35 : x
  2. Step 2: Convert to fraction form
    2,378,800.76/3,282,748.30 = 1,291,072.35/x
  3. Step 3: Cross multiply
    2,378,800.76x = 3,282,748.30 × 1,291,072.35
  4. Step 4: Simplify right side
    2,378,800.76x = 4,238,265,558,911.82
  5. Step 5: Solve for x
    x = 4,238,265,558,911.82/2,378,800.76
  6. Step 6: Final answer
    x = 1,781,681.60

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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.