Home / 1,974,388.77-2,960,993.88-837,131.76

Finding the Fourth Proportional to 1,974,388.77, 2,960,993.88 and 837,131.76

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Solution

The fourth proportional to 1,974,388.77, 2,960,993.88 and 837,131.76 is: 1,255,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,388.77 : 2,960,993.88 = 837,131.76 : x
  2. Step 2: Convert to fraction form
    1,974,388.77/2,960,993.88 = 837,131.76/x
  3. Step 3: Cross multiply
    1,974,388.77x = 2,960,993.88 × 837,131.76
  4. Step 4: Simplify right side
    1,974,388.77x = 2,478,742,018,113.63
  5. Step 5: Solve for x
    x = 2,478,742,018,113.63/1,974,388.77
  6. Step 6: Final answer
    x = 1,255,447.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.