Home / 2,142,969.21-3,214,527.93-1,077,430.41

Finding the Fourth Proportional to 2,142,969.21, 3,214,527.93 and 1,077,430.41

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Solution

The fourth proportional to 2,142,969.21, 3,214,527.93 and 1,077,430.41 is: 1,616,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,969.21 : 3,214,527.93 = 1,077,430.41 : x
  2. Step 2: Convert to fraction form
    2,142,969.21/3,214,527.93 = 1,077,430.41/x
  3. Step 3: Cross multiply
    2,142,969.21x = 3,214,527.93 × 1,077,430.41
  4. Step 4: Simplify right side
    2,142,969.21x = 3,463,430,145,576.35
  5. Step 5: Solve for x
    x = 3,463,430,145,576.35/2,142,969.21
  6. Step 6: Final answer
    x = 1,616,182.88

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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.