Home / 2,255,289.56-3,109,288.75-1,791,681.78

Finding the Fourth Proportional to 2,255,289.56, 3,109,288.75 and 1,791,681.78

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Solution

The fourth proportional to 2,255,289.56, 3,109,288.75 and 1,791,681.78 is: 2,470,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,289.56 : 3,109,288.75 = 1,791,681.78 : x
  2. Step 2: Convert to fraction form
    2,255,289.56/3,109,288.75 = 1,791,681.78/x
  3. Step 3: Cross multiply
    2,255,289.56x = 3,109,288.75 × 1,791,681.78
  4. Step 4: Simplify right side
    2,255,289.56x = 5,570,856,009,314.60
  5. Step 5: Solve for x
    x = 5,570,856,009,314.60/2,255,289.56
  6. Step 6: Final answer
    x = 2,470,128.93

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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.