Home / 1,944,384.81-2,684,259.92-1,420,507.90

Finding the Fourth Proportional to 1,944,384.81, 2,684,259.92 and 1,420,507.90

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Solution

The fourth proportional to 1,944,384.81, 2,684,259.92 and 1,420,507.90 is: 1,961,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,384.81 : 2,684,259.92 = 1,420,507.90 : x
  2. Step 2: Convert to fraction form
    1,944,384.81/2,684,259.92 = 1,420,507.90/x
  3. Step 3: Cross multiply
    1,944,384.81x = 2,684,259.92 × 1,420,507.90
  4. Step 4: Simplify right side
    1,944,384.81x = 3,813,012,408,592.07
  5. Step 5: Solve for x
    x = 3,813,012,408,592.07/1,944,384.81
  6. Step 6: Final answer
    x = 1,961,037.95

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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.