Home / 2,668,937-3,993,360.78-1,871,774.60

Finding the Fourth Proportional to 2,668,937, 3,993,360.78 and 1,871,774.60

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Solution

The fourth proportional to 2,668,937, 3,993,360.78 and 1,871,774.60 is: 2,800,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,937 : 3,993,360.78 = 1,871,774.60 : x
  2. Step 2: Convert to fraction form
    2,668,937/3,993,360.78 = 1,871,774.60/x
  3. Step 3: Cross multiply
    2,668,937x = 3,993,360.78 × 1,871,774.60
  4. Step 4: Simplify right side
    2,668,937x = 7,474,671,276,640.19
  5. Step 5: Solve for x
    x = 7,474,671,276,640.19/2,668,937
  6. Step 6: Final answer
    x = 2,800,617.35

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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.