Home / 2,712,288.32-3,742,980-1,505,084.48

Finding the Fourth Proportional to 2,712,288.32, 3,742,980 and 1,505,084.48

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Solution

The fourth proportional to 2,712,288.32, 3,742,980 and 1,505,084.48 is: 2,077,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,288.32 : 3,742,980 = 1,505,084.48 : x
  2. Step 2: Convert to fraction form
    2,712,288.32/3,742,980 = 1,505,084.48/x
  3. Step 3: Cross multiply
    2,712,288.32x = 3,742,980 × 1,505,084.48
  4. Step 4: Simplify right side
    2,712,288.32x = 5,633,501,106,950.40
  5. Step 5: Solve for x
    x = 5,633,501,106,950.40/2,712,288.32
  6. Step 6: Final answer
    x = 2,077,028.86

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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.